Tuesday

September 1, 2015
Number of results: 5,561

**Physics**

Two vectors with magnitudes of 6 meters and 8 meters cannot have a resultant of: 48 meters 14 meters 10 meters 2 meters Please explain. I do not understand how to figure this out!
*August 9, 2009 by Hannah*

**physical science**

A weight attached to a wire is swung in a circular path. Its speed is 12 meters/sec, and it has a centripetal acceleration of 9.0 meters/sec2. Calculate the diameter of the circle. 1.3 meters 2.6 meters 16 meters 32 meters
*June 27, 2011 by pat*

**Physics**

Two vectors with magnitudes of 6 meters and 8 meters cannot have a resultant of: 48 meters 14 meters 10 meters 2 meters
*August 13, 2010 by Ronnie*

**math concepts and applications**

A rectangle has a length of 6 meters and a perimeter of 20 meters. What is the width of the rectangle? A. 4 meters B. 7 meters C. 14 meters D. 52 meters C ?
*August 15, 2012 by melissa*

**physics**

A bicyclist moving at a constant speed takes 10.0 seconds to travel 500 meters down a path inclined 30.0° downward from the horizontal. What is the vertical velocity of this motion?Select one of the options below as your answer: A. 18.3 meters/second B. 43.3 meters/second C. ...
*May 25, 2012 by Anonymous*

**Geometry**

Can you check these multiple choice questions thanks. 1. What is the length of a rectangle that has an area of 20 square meters and a perimeter of 18 meters. A. 10 meters B. 2 meters C. 5 meters D. 9 meters Answer: B 2. Find the minimum perimeter of a rectangle whose area is ...
*September 5, 2009 by Missy*

**Earth Space Science**

the horizontal distance between a crest to the next trough of an ocean wave is 5 meters. what is the wavelength of the ocean wave? A)2 meters B)5 meters C)10 meters D)20 meters I think its 10 meters but im not so sure, I would like to make sure.
*March 28, 2015 by Sierra*

**algebra**

The formula for the height of a fallinis shown below, where h is the height of the object in meters, t is the time in seconds, and k is the height, in meters, from which the object began its fall. h=-4.9f+k If aq rock is droppped from a building that is 150 meters tall, what ...
*September 22, 2010 by curtina blue*

**Physics/Formulas**

Calculate the SI units of the constants A and B in each of the following equations. Assume that the distance x is in meters (m), the time t is in seconds (s), and the velocity v is in meters per second (m/s). a. x = A + B.t Meters = A + B * seconds b. x = ¼ A.t2 Meters = 0.25...
*August 21, 2013 by Paul*

**Trigonometry**

A painter needs to cover a triangular region 62 meters by 68 meters by 70 meters. A can of paint covers 70 square meters. How many cans will be needed?
*April 24, 2009 by Kim*

**Math**

A painter needs to cover a triangular region 61 meters by 66 meters by 72 meters. A can of paint covers 70 square meters. How many cans will be needed?
*May 3, 2009 by Sarah*

**physic**

julianna walked 45 meters east, 45 meters souuth, and 45 meters north. what is her resultant displacement? My answer was 45 meters west. is this correct
*October 17, 2009 by julien*

**math**

A painter needs to cover a triangular region 62 meters by 66 meters by 71 meters. A can of paint covers 70 square meters. How many cans will be needed?
*March 31, 2010 by pepe*

**math**

A painter needs to cover a triangular region 62 meters by 66 meters by 71 meters. A can of paint covers 70 square meters. How many cans will be needed?
*March 31, 2010 by peter*

**Health**

The long continuous tube that is the digestive tract is about ________ in length. A. 3 meters B. 9 meters C. 5 meters D. 12 meters
*August 23, 2014 by Audra*

**math**

A submarine starts at a position relative to sea level of -45 meters. The submarine then changes it's position at a rate of -6 meters per minute. What is the submarine's position after 7 minutes? A. -3 meters B. -44 meters C. -58 meters D. -87 meters
*March 13, 2014 by ★★ PLEASE HELP ★★*

**physics**

Consider a wave that travels a distance of 3 meters in 1 second with a frequency of 2 hertz. What is its amplitude? A) 4 meters.B) 2 meters.C) Not enough information is given.D) 3 meters.E) 1 meter.
*April 29, 2012 by Kristie*

**5th grade**

a parallegram has a height of 4 meters and sides of 5 meters and 7 meters. What is its area in square meters?
*November 3, 2010 by samantha*

**Math - PreCalc (12th Grade)**

If the distance covered by an object in time t is given by s(t) = 2t2 + 3t, where s(t) is in meters and t is in seconds, what is the average velocity over the interval from 2 seconds to 4 seconds? A) 15 meters/second B) 14 meters/second C) 13 meters/second D) 12 meters/second ...
*March 21, 2014 by Shawna*

**math**

A diver is wroking 30 meters below sea level. Another diver is taking a break on a platform directly above him that is 5 meters above sea level.How far apart are the two divers? a. 5 meters b. 25 meters c. 35 meters d. 40 meters please answer and explain
*April 23, 2014 by thomas*

**Math**

One box measure 7 meters by 15 meters by 8 meters. Another box measure 8 meters by 9 meters by 10 meters. by how many cubic meter is the volume of box greater than the other?
*December 12, 2014 by Karl Santos*

**physical science**

A car with a mass of 1,200 kilograms is moving around a circular curve at a uniform velocity of 20 meters per second. The centripetal force on the car is 6,000 newtons. What is the radius of the curve? A. 80 meters B. 32 meters C. 16 meters D. 160 meters
*February 5, 2008 by Anonymous*

**math**

find the area of a rectangle that is 4 meters by 8 meters. A-12 SQUARE METERS B-24 SQUARE METERS C-36 SQUARE METERS D- 32 SQUARE METERS I PUT D, IS IT RIGHT?
*April 15, 2012 by Gabby ( 5 grade)*

**math**

if there is a height of 4 meters and sides of 5 meters and 7 meters"what is the area of the square meters
*November 3, 2010 by samantha*

**Math Multiplying Fractions**

A swimming pool in the shape of a rectangular prism is 50 meters long 25 meters wide and 3 meters deep. A liter is the same as 0.001 cubic meters. How many liters of water are needed to completely fill the pool? I know how to find the volume which is 3750 but how do I convert ...
*February 4, 2014 by Jerald*

**Math **

A rectangular prism has a length of 100 cm, a height of 10 cm and a width of 5 cm. What is the volume of the rectangular prism? A. 3100 square centimeters B. 1550 square centimeters C. 5000 square centimeters D. 1200 square centimeters 2. A cylinder has a diameter of 5 meters ...
*March 7, 2012 by Adrian *

**IPC**

A hailstone traveling with a velocity of 43 meters/second comes to a virtual stop 0.28 seconds after hitting water. What is the magnitude of its acceleration in the water? a. 12 meters/second2 b. 1.5 × 102 meters/second2 c. 78.6 meters/second2 d. 6.5 × 10-3 meters/second2
*February 6, 2015 by justin*

**math**

A pool must be 25 meters long and 3 meters deep and the room is only 10 meters wide can u still build a pool that will hold 800 cubic meters of water and why
*August 31, 2015 by Kaliah Gables*

**physic**

julianna walked 45 meters, 45 meters south , and 45 meters north. what is her resultant displacement my answer was 45 meters west. is this answer correct
*October 17, 2009 by julien*

**Melanie**

A right triangle has a hypotenuse of length 13 meters and one side of length 5 meters. What is the length of the third side and the angle between the hypotenuse and the 5 meter side? A. 144 meters, 67.38 degrees B. 12 meters, 22.62 degrees C. 10 meters, 22.62 degrees D. 12 ...
*January 19, 2013 by Physics*

**physics**

If a ball is dropped from rest, it will fall 5 m during the first second. How far will it fall during the second second? A. 15 meters B. 10 meters C. 5 meters D. 20 meters the way the question is worded it seems it should be 10meteres but I think it wants total so would it be ...
*March 11, 2014 by anonymous*

**Math**

How do I do imperial to metric conversions?! Metric to imperial is easy but I don't know how to do it the other way around!!! Please help me! a) 6yd to meters b) 3mi to kilometers c) 80in to meters d) 3.8ft to meters e) 5'3" to meters (" is foot right?) f) 0.4mi to meters **...
*July 18, 2014 by Whitney R.*

**math **

Angela practices her long jump before a big track meet. At the beginning of the week ,she jumps 1.56 meters and at the end of the week she jumps 1.63 meters .How much farther did she jump at the end of the week than at the beginning of the week answers A.0.03 meters B.0.07 ...
*October 10, 2012 by destiny*

**geometry**

A prism has a right triangle as its base with a hypotenuse that measures 15 meters and legs that measure 9 meters and 12 meters. What is the surface area of this prism if the height of the prism is 11 meters?
*March 5, 2012 by Anonymous*

**Math**

A local naturalist says that a triangular area on the north side of a pond is a turtle habitat. The lengths of the sides of this area are 15 meters, 25 meters, and 36 meters. Which expression gives the measure of the angle between the sides of the habitat that measure 15 ...
*October 10, 2014 by TeeKay*

**Math**

A landowner wishes to construct a fence around a small section of her property. The fence is rectangular and is (3√5)/√7 meters wide and (2√3)/√5 meters long. What is the exact perimeter of the fence? (Recall that the perimeter is the sum of each ...
*February 11, 2014 by Brady*

**math**

Ryans mother has a fenced rectangle garden that measures 15 meters x 10 meters.one of the 10 meters sides isalong the house and doesnt have a fence.How many meters of fence border the garden ?
*February 5, 2011 by Sanyourah El-hulu*

**physics**

a person walks due east for 10 meters and the due north for 10 meters. what is the total distance? b). what is the average speed of a car that travels 30 meters in 10 seconds, then another 50 meters in 30 seconds. Thank you for answering.
*June 3, 2014 by mercy*

**math**

Erin is making a pitcher of lemonade. Her pitcher is a cylinder with a diameter of 8.6x10^-2 meters and a height of 0.44 meters. What is the approximate total amount of lemonade that will fit in her pitcher? A.2.6 x10^-3 cubic meters B.1.0x10^-3 cubic meters C.2.6x10^-2 cubic ...
*April 12, 2015 by vincent*

**physics**

An object whose height is 0.670 meters is located 2.00 meters from the face of a thin convex lens with a focal length of 0.780 meters. The image will be located ______ meters away from the lens.
*April 17, 2013 by blake*

**Physics**

Acceleration due to gravity is independent of mass, but the force is not. Determine the final velocity of the following objects and the force generated by the same objects as they are dropped from the given heights. 10 kg 2.5 meters 7 kg 5.5 meters 0.5 kg 12 meters 0.7 kg 5 ...
*April 5, 2014 by Anonymous*

**physical science 2**

It takes 6 seconds for a stone dropped from rest to the bottom of a well,what is its final speed A; 6 meters/second B: 30 meters/seconds C: 36 meters/seconds D: 60 METERS/SECONDS A is incrrect
*January 29, 2011 by ellen*

**Analytic Geometry**

A parabolic suspension bridge cable is hung between two supporting towers 120 meters apart and 35 meters above the bridge deck. The lowest point of the cable is 5 meters above the deck. Determine the lengths of the tension members 20 meters and 40 meters from the bridge center.
*May 11, 2015 by Alexis*

**Science**

Pleasant Beach is two meters above sea level at its highest point. If the ocean waves along the shore increase to a height of five meters, then the elevation of Pleasant Beach will most likely A.decrease to nearly zero meters B.increase to more than two meters C.decrease ...
*October 22, 2014 by M*

**math**

The rectangular part of her pool is 8 meters by 6 meters. The triangular part has a height of 4 meters and a base of 5 meters. what is the area of the pool cover sally will buy
*September 25, 2012 by olivia*

**Math - Dividing Radicals**

A landowner wishes to construct a fence around a small section of her property. The fence is rectangular and is (3√5)/√7 meters wide and (2√3)/√5 meters long. What is the exact perimeter of the fence? (Recall that the perimeter is the sum of each ...
*February 11, 2014 by Brady*

**Chemistry**

A box measures 8.5 meters long, 7.5 meters wide and 0.25 meters deep, calculate the volume
*October 3, 2011 by Mike*

**Physics**

A person travels 4 meters North 6 meters West and 4 meters South. what is the total displacement?
*December 18, 2011 by Sharon*

**Physics**

A person travels 4 meters North 6 meters West and 4 meters South. what is the total displacement?
*December 18, 2011 by Sharon*

**6th grade**

how many cubic meters of dirt are in a hole 6 meters long,2 meters wide, and one meter deep?
*September 10, 2008 by brandy*

**math**

The area of a triangle is 80 square meters and the base measures 20 meters. Find the number of meters in the measure of the altitude.
*July 31, 2013 by vincent*

**physical**

help the positions of two particles A and B are P1 (3,4) in meters and P2 ( -3, -4 ) meters respectively. Meters the position A with respect to B is:
*November 14, 2014 by David*

**6th grade math**

the volume of a rectangle is 576 cubic meters. The lenth is 12 meters and the width is 6 meters. What is the height of the prism?
*March 7, 2011 by bluestarr*

**physics**

A body moves 6 meters north than 8 meters east than 10 meters vertically upward. What is its resultant displacement from initial position?
*June 13, 2011 by Anant*

**Geometry**

A rectanglar school yard is 280 meters by 245 meters is to be fenced. How many meters of fencing will be required to fence it completely?
*February 13, 2013 by wayne*

**math**

an oak tree grows 500 meters north of the bottom of a rectangular park. The oak tree takes up a space of a circular area with a radius of 2.5 meters .The center of the tree is 24 meters from the left side of the park .The park is 200 meters wide and has a length of 1300 meters...
*April 8, 2013 by aspasia*

**physics**

find displacement 4 vectors (1) 40 meters @10, (2) 30 meters @ 190 and (1)50 meters @ 280
*November 6, 2014 by Anonymous*

**Geometry **

A rectangle has an area of 6 square meters. What will be the area of the rectangle if each side length is increased by a factor 5? A. 11 square meters B. 30 square meters C. 125 square meters D. 150 square meters I think the answer is B
*March 2, 2014 by anon*

**Geog-Adiabatic rates**

Given a lapse rate of 3 degrees C/1000 meters and a temp of 20 degrees C at 0 meters: A.What is the air sitting at 3,000 meters elevation?___degrees C B.If a sample of air were lifted from 0 meters to 3,000 meters elevation, what would its new temp be?_____C(Assume no ...
*March 22, 2008 by Sarah*

**Adiabatic rates(Geography)**

Given a lapse rate of 3 degrees C/1000 meters and a temp of 20 degrees C at 0 meters: A.What is the air sitting at 3,000 meters elevation?___degrees C B.If a sample of air were lifted from 0 meters to 3,000 meters elevation, what would its new temp be?_____C(Assume no ...
*March 23, 2008 by Sarah*

**Math**

What is the total surface area of the inside and outside of a container in the shape of a rectangular prism with length of 5 meters, width of 3 meters, and height of 2.2 meters?
*May 2, 2012 by Johon*

**physics**

Mike walks 100 meters north, then walks 30 meters south. After this, he walks another 10 meters north. What is the magnitude of his total displacement during this walk, in meters?
*June 23, 2011 by marquis*

**Calculus (Help please)**

A tank has the shape of an inverted circular cone with a base radius of 5 meters and a height of 20 meters. If water is being pumped into the tank at 2 cubic meters per minute, find the rate at which the water level is rising when the water is 7 meters deep
*January 9, 2012 by Jordan*

**Math (Calculus)**

A tank has the shape of an inverted circular cone with a base radius of 5 meters and a height of 20 meters. If water is being pumped into the tank at 2 cubic meters per minute, find the rate at which the water level is rising when the water is 7 meters deep
*January 9, 2012 by Jordan*

**Math (Calculus)**

A tank has the shape of an inverted circular cone with a base radius of 5 meters and a height of 20 meters. If water is being pumped into the tank at 2 cubic meters per minute, find the rate at which the water level is rising when the water is 7 meters deep
*January 9, 2012 by Jordan*

**math**

At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The block's dimensions are x meters high by 12x - 15 meters long by 12x - 21 meters wide. What is the height of the block? I have no idea how to do this. Can ...
*October 9, 2013 by Karen*

**Algebra 2**

At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The block's dimensions are x meters high by 12x - 15 meters long by 12x - 21 meters wide. What is the height of the block? Can someone please show me how to ...
*October 9, 2013 by Krystal*

**Math**

A trough is 8 meters long, 3 meters wide, and 5 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 5 meters, and base, on top, of length 3 meters). The trough is full of water (density ). Find the amount of...
*March 18, 2014 by Hao*

**math**

If the radius of a circular wave is increasing at 2 meters/sec, how fast is the area changing when the radius is 5 meters? A)62.8 square meters per second B)25.0 square meters per second C)31.4 square meters per second D)6.3 square meters per second E) None of the above
*March 7, 2013 by Jessica*

**math**

a fencing company was asked to enclose three gardens with wire fences: a rectangular garden with a length of 270 meters and a width of 1123.62 meters; a square garden with a side length of 657.955 meters; and a rectangular garden with a width of 35 meters and a length that is ...
*September 20, 2012 by christian*

**Science**

Which of the following is an accurate statement of an acceleration value, translated from symbols into words? A. 3 meters per second B. 3 meters per second squared C. 3 square meters per second D. 3 meters in 3 seconds
*April 27, 2010 by Judy*

**Algebra**

1. Create the indicated algebraic expression. Use descriptive variables. The length of a rectangular lawn is 6 ft more than three times the width of the lawn. Express the length of the lawn in terms of the width. A. 3+w+6 B. 3(w+6) C. 6w+3 D. 3w+6 For 1 I thought it was B? 2. ...
*January 16, 2013 by Krissy *

**Calculus ~ Related Rates**

A man 2 meters tall walks at the rate of 2 meters per second toward a streetlight that's 5 meters above the ground. At what rate is the tip of his shadow moving?We've already set this up part of the way. We know that dx/dt = - 2 meters per second, and we're looking for dy/dt.
*January 5, 2012 by Mishaka*

**I NEED HELP PLEASE**

A trough is 8 meters long, 3 meters wide, and 5 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 5 meters, and base, on top, of length 3 meters). The trough is full of water (density ). Find the amount of...
*March 19, 2014 by Hao*

**Calculus**

A trough is 5 meters long, 1 meters wide, and 4 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 4 meters, and base, on top, of length 1 meters). The trough is full of water (density 1000 kg/m3 ). Find ...
*February 27, 2012 by Caitlyn*

**Calculus**

A trough is 5 meters long, 1 meters wide, and 4 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 4 meters, and base, on top, of length 1 meters). The trough is full of water (density 1000 kg/m3 ). Find ...
*February 27, 2012 by Caitlyn*

**Math 6 meters help**

A fence encloses a rectangular field. The field is 4 meters longer that it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? Choices 1,192 1296 1292 1440 I have tried dividing but getting know where. :( Help with ...
*May 21, 2014 by moby*

**Math**

Did I do this right? A cage with a volume of 27 cubic meters, if the sides are in whole meters only and the width is 3 meters, what are the possible dimensions for the length and height? 27=3X3X3 or 27=9X1X3 Yes. Your answers are correct.
*May 31, 2007 by Sam*

**Math**

A simply supported beam is 6 meters long and has a mass of 15 kg/m of length. It carries loads = 180 N and 270 N at points 1.2 meters and 3.6 meters from the left end respectively. Find the reactions.
*July 4, 2013 by Todd*

**algebra**

A launched rocket has an altitude, in meters,give n by the polynomial h+vt-4.9t^2, where h is the height, in meters, from which the rocket is airborne. If a rocket is launched from the top of the tower 90 meters high with an initial upward speed of 50 meters per second, what ...
*May 15, 2012 by rr*

**math**

a launched rocket has an altitude, in meters, given by the polynimial h+vt-4.9t^2 where h is the height, in meters, from which the launch occurs, at velocity v in meters per second, and t is the number of seconds for which the rocket is airborne. If a rocket is launched from ...
*March 21, 2013 by pam*

**math-algebra**

A launched rocket has an altitude, in meters, given by the polynomial h = vt -4.9t^2, where h is the height, in meters, from which the launch occurs, at velocity v in meters per second, and t is the number of seconds for which the rocket is airborne. If a rocket is launched ...
*October 9, 2010 by Michelle*

**Algbrah**

A launched rocket has an altitude in meters, given by the polynomial h+vt-4.9^2, h is the height in meters v is the velocity in meters per second and t is the number of seconds for which it takes the rocket to become airborne. If the rocket is launched from the top of a tower ...
*May 15, 2011 by Jessie*

**Algebra~Scary problem!**

A launched rocket has an altitude, in meters, given by the polynomial h+vt-4.9t^2, where h is the height, in meters, from which the launch occurs, at the velocity v in meters per second, and the t is the number of seconds for which the rocket is airborne. If a rocket is ...
*May 27, 2008 by Sahara*

**math 117**

A launched rocket has an altitude in meters, given by the polynomial h+vt-4.9^2, h is the height in meters v is the velocity in meters per second and t is the number of seconds for which it takes the rocket to become airborne. If the rocket is launched from the top of a tower ...
*May 15, 2011 by Jessie*

**math 116**

A launched rocket has an altitude in meters, given by the polynomial h+vt-4.9^2, h is the height in meters v is the velocity in meters per second and t is the number of seconds for which it takes the rocket to become airborne. If the rocket is launched from the top of a tower ...
*May 15, 2011 by Jessie*

**math 117**

A launched rocket has an altitude in meters, given by the polynomial h+vt-4.9^2, h is the height in meters v is the velocity in meters per second and t is the number of seconds for which it takes the rocket to become airborne. If the rocket is launched from the top of a tower ...
*May 15, 2011 by Jessica*

**math 117**

A launched rocket has an altitude in meters, given by the polynomial h+vt-4.9^2, h is the height in meters v is the velocity in meters per second and t is the number of seconds for which it takes the rocket to become airborne. If the rocket is launched from the top of a tower ...
*May 16, 2011 by sue*

**Physics**

Kelly is driving a car with a mass of 800 kilograms in a south direction with a speed of 18 meters/second. Dominic is driving a truck with a mass of 1500 kilograms with a velocity of 15 meters/second to the east. They undergo perfectly inelastic collision. What is the ...
*March 27, 2013 by Fredrick*

**DUE AT MIDNIGHT PLEASE HELP- Calculus**

A trough is 5 meters long, 1 meters wide, and 4 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 4 meters, and base, on top, of length 1 meters). The trough is full of water (density 1000 kg/m3 ). Find ...
*February 27, 2012 by Cait*

**geometry**

A manufacturer wants to make a rectangular storage box with volume 0.75 cubic meters, length 1.5 meters and width 0.4 meters. What is the height of the box?
*October 11, 2010 by Tiffany*

**Math**

How to solve I want to build fence. Around garden garden is 4 meters wide and 7 meters long? How many meters of fencing needed to buy
*April 18, 2013 by Linda *

**algebra**

a diver dove 94 meters and rose 2 meters every minute for 8 minutes. Where is the diver in relation to the surface? The answer to me would be 94 - 16 = 78 meters. Why is this wrong?
*April 23, 2011 by aria*

**11th grade math**

in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters
*April 7, 2013 by Alex*

**Math**

Whatis the surface area of the right square pyramid in square meters? Dimensions: Base/length: 6 meters Slant height: 5 meters I know the formula is S.A.=1/2P "l"+B. I don't know what P or B is.....
*February 23, 2012 by Anonymous*

**Math**

A rectangular backyard measures 15 meters by 20 meters.there is a square flower bed in the middle of the yard with three sides of 3 meters.what is the area of the yard only?
*April 23, 2014 by Anonymous*

**Scientific notation**

a rectngler section of land made of wheat farms has a length of 5 x 10`4 meters and a width of 6 x10`3 meters. What is the area of land in square meters?
*June 3, 2014 by Anonymous*

**math**

how tall is a flag pole when a person is standing 12 meters away and he is 1.5 meters tall and casts a shadow 3 meters long?
*July 10, 2010 by Marpaq007*

**math**

the base edge of a triangular pyramid is 3 meters and its altitude is 10 meters. find the area of a section parallel to the base and 6 meters from it.
*September 20, 2011 by acshikari*

**Math**

in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters
*April 7, 2013 by Alex*