Friday

February 27, 2015

February 27, 2015

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**Geometry**

a hemispherical bowl with radius 25cm contains water whose depth is 10cm. what is the water's surface area
*Monday, March 31, 2014 at 6:49pm*

**Geometry**

I need help!!! a hemispherical bowl with radius 25cm contains water whose depth is 10cm. what is the water's surface area
*Monday, March 31, 2014 at 5:25pm*

**geometry**

Bubble wrap sells in sheets, and each sheet has 1 million individual spherical bubbles, each with a diameter of 0.01 m. What is the total volume of air contained in the bubbles of two sheets of bubble wrap? Round to the nearest tenth.
*Monday, March 31, 2014 at 3:44pm*

**Geometry**

The glide reflection Ry--x degree T <4,1> maps the P to (4,3). Find the coordinates of P. Please help I'm really confused.
*Monday, March 31, 2014 at 11:11am*

**Geometry **

A lighthouse keeper in his observation tower 120 feet above the water sees a pontoon airplane and a small fishing boat. If the plane is directly above the boat, how far above sea level is the plane flying, rounded to the nearest foot? Be sure to show your work
*Friday, March 28, 2014 at 4:15pm*

**Geometry**

concrete costs 105 per cubic yard. plato is making a rectangular concrete garage floor measuring 33 feet wide by 6 inches thick. how much will the concrete cost?
*Friday, March 28, 2014 at 9:41am*

**geometry**

| (3,2)\ | / \ | /(s,1) \|/ -----------------|------------------- /|\ / | \ | | In the accompanying figure, the slope of line k is t and the slpe of line m is negative t. What is the value of s? (the lines are perpendicular) (sorry for the ascii graph ^_^) (I have a test ...
*Thursday, March 27, 2014 at 10:07pm*

**geometry**

Two buildings are separated by an alley. Joe is looking out of a window 60 feet above the ground in one building. He observes the measurement of the angle of depression of the base of the second building to be 50 degrees and the angle of elevation of the top to be 40 degrees. ...
*Thursday, March 27, 2014 at 9:14pm*

**geometry**

The perimeters of 2 similar polygons are 12 and 16. 1. What is the ratio of the lengths of 2 corresponding sides? 2. What is the ratio of the areas? 3. If the area of the smaller polygon is 54 what is the area of the larger polygon?
*Thursday, March 27, 2014 at 9:07pm*

**geometry**

In triangle GHJ, GH=32, HJ=63, and m<G=125. To the nearest then, what is <J?
*Thursday, March 27, 2014 at 8:33pm*

**geometry**

Mr. Franco is making a triangular cement slab and needs to set boards before he can pour the cement. He has already set two boards that are 5 feet and 8 feet in length. What is a reasonable range for the length of the third board that Mr. Franco could set for this triangular ...
*Thursday, March 27, 2014 at 7:41pm*

**Geometry**

Given the lengths of the sides of a triangle, identify the triangle as acute, right, or obtuse. 37,12,34 5,12,13 20,21,28
*Thursday, March 27, 2014 at 6:13pm*

**Geometry**

I need help in this problem: A 14-foot ladder is leaning against a house so that its top touches the top of the wall. the bottom of the ladder is 8 feet away from the wall. which of these can be used to find the height of the wall? A. in a right triangle with 14-foot leg and ...
*Thursday, March 27, 2014 at 1:45pm*

**Geometry**

Write a rule in function notation to describe the transformation that is a reflection across the y-axis. A. Rx-0(X,Y) B. Ry-0(X,Y) C. Ry-x(X,Y) D. Rx--1(X,Y)
*Thursday, March 27, 2014 at 8:21am*

**Geometry**

If I have 64 ft what are all the dimension of the rectangular patios I can make using all 6 ft?
*Thursday, March 27, 2014 at 8:12am*

**Geometry**

What translation rule can be used to describe the result of the composition of T<-5,-3>(X,Y) and T<-7,-1> (X,Y)? A. T<12,-4>(X,Y) B. T<-12,-4>(X,Y) C. T<2,-2>(X,Y) D. T<-4,-12>(X,Y)
*Thursday, March 27, 2014 at 7:57am*

**Geometry**

I need help in this question!!! CD has an endpoint at (2,-1) and a midpoint at (8,3). which measure is closest to the length of CD? A. 20.4 units B. 8.4 units C. 14.4 units D. 11.7 units
*Wednesday, March 26, 2014 at 3:48pm*

**geometry**

A circular garden is divided into 6 equal sections. The radius of the garden is 13 feet. Find the area of one of the sections.
*Wednesday, March 26, 2014 at 1:51pm*

**Geometry**

The vertices of a triangle are P(-3,8), Q(-6, -4), and R (1, 1). Name the vertices of R (smaller letters)y-0 (triangle PQR). A. P'(-3, 8), Q'(-6,-4), R'(1,1) B. P'(-3,-8), Q'(-6,4), R'(1,-1) C. P'(3,-8), Q'(6,4), R'(-1,-1) D. P' (3,8), Q...
*Wednesday, March 26, 2014 at 8:52am*

**geometry**

If I need to make a mold with a square base with a volume of exactly 28 cubic centimeters how many possible molds could I make?
*Wednesday, March 26, 2014 at 6:27am*

**geometry**

Find the hypotenuse of a triangle with legs length 12 cm and 14 cm. Round to the nearest tenth
*Tuesday, March 25, 2014 at 8:53pm*

**Geometry**

Find the midpoint of the segment with the given endpoints. M(–2, 1) and O(–3, 2)
*Tuesday, March 25, 2014 at 5:14pm*

**geometry**

is every composition of transformations cumalitive? In other words, does the order matter? I think it depends on transformation, but I'm not sure
*Tuesday, March 25, 2014 at 2:03pm*

**geometry cumulative**

A cylinder’s radius is reduced to 2/5 its original size and the height is quadrupled. How has the volume of the cylinder changed?
*Tuesday, March 25, 2014 at 12:34pm*

**Geometry B**

The equation x2 + y2 − 2x + 2y − 1 = 0 is the general form of the equation of a circle. What is the standard form of the equation?
*Tuesday, March 25, 2014 at 9:15am*

**Geometry**

A fighter plane observes a target on the ground with an angle of depression of 21 degrees. The target is 3.5 miles away along a direct line of sight. How high is the fighter plane? Round to hundredths. Please help!
*Monday, March 24, 2014 at 11:33pm*

**geometry**

gerri raced around all the faces of a three-dimensional shape.she drew the following polygons.what three-dimensional was gerri tracing.
*Monday, March 24, 2014 at 5:02pm*

**Geometry**

All square and all rectangles are equilateral?
*Monday, March 24, 2014 at 11:17am*

**Geometry**

All rectangles are square?
*Monday, March 24, 2014 at 11:16am*

**Geometry**

all square and all rectangles are equiangular?
*Monday, March 24, 2014 at 11:15am*

**Math - Quadratics & Analytical Geometry**

I have a test tomorrow with a few sample questions that are expected to be on the test that I do not know how to properly do. 1)Find the slope intercept equation of the line passing through the intersection of the lines 2x-4y=1 & 3x+4y=4 and parallel to the line 5x+7y+3=0 2)...
*Sunday, March 23, 2014 at 6:13pm*

**Geometry**

CD has an endpoint at (2,-1)and a midpoint at (8,3). which measure is closest to the length of CD?
*Friday, March 21, 2014 at 2:42pm*

**geometry**

a circle has diameter endpoints of A(5,10) and B(-3,4). what are the coordinates of the center of the circle
*Friday, March 21, 2014 at 1:19pm*

**geometry**

Three points are chosen uniformly at random from the perimeter of circle. The probability that the triangle formed by these is acute can be expressed as a/b where a and b are co prime positive integers. What is the value of a+b?
*Thursday, March 20, 2014 at 1:40am*

**geometry**

Marta is standing 4ft. Behind a fence 6 inches tall. When she looks over the fence, she can just. See the top of a building. She knows that the building is 32 ft. 6 inches behind the fence. Her eyes are 5 ft. From the ground. How tall is the building?
*Thursday, March 20, 2014 at 12:10am*

**Geometry**

I am pulling my hair out trying to figure out glide reflections. P-->P'(-2,-6) for the glide reflection where the translation is (x,y)-->(x,y-1) and the line of reflection is x=1?? A)(4,-5) B)(-2,-7) C)(-2,-5) D)(4,-6) Help please, I am a mom pulling her hair out. ...
*Wednesday, March 19, 2014 at 8:22pm*

**geometry**

A person riding the original Ferris Wheel is traveling at a speed of 0.495 mph. If one revolution takes 9 minutes, what is the diameter of the Ferris Wheel? Show your work.
*Wednesday, March 19, 2014 at 7:08pm*

**Geometry**

In (triangle)EFG, if m<E = 6x - 8, m<F = 7x + 3, and m<G = 3x - 7. State the sides correctly ordered from longest to shortest.
*Tuesday, March 18, 2014 at 11:35am*

**geometry**

If the width and height of a rectangular prism are each shrunk to one seventh of the original size but the length remains the same, what is the formula to find the modified surface area?
*Monday, March 17, 2014 at 1:03pm*

**Geometry**

Christopher wants to determine how far away a helicopter is from where he is standing. He knows the helicopter is sitting on the edge of a roof of an apartment building that is 400 feet high and 1,050 feet from where he is standing. Using the information in the drawing, ...
*Sunday, March 16, 2014 at 11:41am*

**geometry**

center C has a radius of 13.Chord AB=10.find the distance from the center of the circle to chord AB. CD=?
*Saturday, March 15, 2014 at 3:37pm*

**geometry**

T or F two coplanar circles with two points of intersection will have four common tangents?
*Saturday, March 15, 2014 at 12:02pm*

**geometry**

A Japanese fan can be made by sliding open its 7 small sections (or leaves), which are each in the form of sectors of a circle having central angle of 15. If the radius of this fan is 24 cm, find out the length of the lace that is required to cover its entire boundary...
*Saturday, March 15, 2014 at 9:14am*

**Geometry**

Find the area of the composite figure(right triangle), where the hypotenuse is 13m, base is 12m and the height is not given?
*Thursday, March 13, 2014 at 1:54pm*

**Geometry**

The length of a hypotenuse of a right triangle is 29 feet. The Altitude drawn perpendicular to the hypotenuse is 10 feet. What are the lengths of the two legs?
*Wednesday, March 12, 2014 at 4:44pm*

**Geometry**

A car tire rotates when you drive. How is this type of rotation different from a rotation in Geometry? What other type of transformation is happening to the car tire? Thanks!
*Tuesday, March 11, 2014 at 4:45pm*

**Geometry**

In rectangle PQRS, PR=18x-28 and QS=x+380. Find the value of x and the length of each diagonal.
*Monday, March 10, 2014 at 5:46pm*

**Geometry**

What is an equation in point-slope form for the line perpendicular to y=2x+13 that contains (8,-4)?
*Sunday, March 9, 2014 at 4:12pm*

**Geometry**

Write an equation in slope-intercept form of the line through points S(-7,-6) and T(10,8).
*Sunday, March 9, 2014 at 10:59am*

**Math Geometry **

Marisol is painting on a piece of canvas that has an area of 180 square inches. The length of the Painting is 1 1/4 times the width. What are the dimensions of the painting this is for elementary school so make it simple
*Friday, March 7, 2014 at 5:06pm*

**Math Geometry **

Marisol is painting on a piece of canvas that has an area of 180 square inches. The length of the Painting is 1 1/4 times the width. What are the dimensions of the painting
*Friday, March 7, 2014 at 4:54pm*

**Geometry **

In baseball, the length of the path between each pair of consecutive bases is 90 feet. The paths form right angles. How far does the ball need to travel if it is thrown from home plate directly to second base? A. 90 feet B. 127.3 feet C. 135.7 feet D. 180 feet
*Thursday, March 6, 2014 at 9:19pm*

**geometry**

A 7-foot ladder is leaned against a building in such a way that the bottom of the ladder is 4 feet from the base of the wall. Find the angle formed between the ladder and the ground.
*Thursday, March 6, 2014 at 8:32pm*

**Geometry**

If (triangle)IGH is congruent to (triangle)KLJ, then <H is congruent to ___
*Thursday, March 6, 2014 at 2:05pm*

**Geometry**

Given L || m, m<9 = 9x + 5, and m<5 = x+ 37, find the value of x
*Thursday, March 6, 2014 at 12:53pm*

**Geometry**

Two parallel chords lies on opposite sides of the centre of a circle of radius 13cm. Their length are 10cm and 24cm what is the distance between the chords
*Wednesday, March 5, 2014 at 12:23pm*

**Geometry**

Which of the following is not a postulate used to prove the congruence of two triangles? a. ASA b. SSA c. SAS d. SSS I think its C?
*Tuesday, March 4, 2014 at 4:41pm*

**Geometry**

A right triangle must be a. isosceles b. acute c. scalene d. either isosceles or scalene
*Tuesday, March 4, 2014 at 4:23pm*

**Geometry**

Which statement from Euclidean geometry is also true in spherical geometry? a. A line has infinite length b. Two intersecting lines divide the plane into four regions c. Two perpendicular lines create four right angles d. The intersection of two lines create four angles. I ...
*Tuesday, March 4, 2014 at 2:01pm*

**geometry**

A slide 2.8 m long makes an angle of 25 degrees with the ground. How high is the top of the slide above the ground?
*Tuesday, March 4, 2014 at 11:26am*

**geometry**

The measure of an exterior angle of a regular polygon is given. Find the number of sides of the polygon? Given number is 72?
*Monday, March 3, 2014 at 7:43pm*

**Geometry**

Determine if the conjecture is true or false based on given information. Given: Point P is the interior of <KJQ Conjecture: m<KJP is congruent to m<PJQ
*Monday, March 3, 2014 at 6:00pm*

**Geometry**

what is the image of a(3 -1) after a reflection, first across the line y=3, then across the line x=-1 (-5,7) (3,-1) (-5,-1) (-1,-5)
*Monday, March 3, 2014 at 4:45pm*

**geometry **

how can i prove (s-b)/r = r(lowercase a)=(s-c)?
*Monday, March 3, 2014 at 3:05pm*

**Geometry/Trig**

A plane is flying and show an air speed of 130 mi/h. However, there is a 20 mi/hr crosswind. What is the resulting speed of the plane.
*Monday, March 3, 2014 at 12:24am*

**Geometry**

Which reason justifies that BD = BC + CD? a. Addition property b. Symmetric Property c. Segment Addition Postulate d. Ruler Postulate I't thinking its Addition Property but then again I'm probably completely wrong...
*Sunday, March 2, 2014 at 7:26pm*

**Geometry**

Solve for x: 3x + 20 and 2x + 24
*Sunday, March 2, 2014 at 5:46pm*

**Geometry**

if m<GEF = 2x + 10, m<DEF = 5x- 10, and m<GED = 70, find m<GEF and m<DEF
*Sunday, March 2, 2014 at 5:39pm*

**Geometry **

A trapezoid has a perimeter of 14 feet. What will the perimeter be if each side length is increased by a factor 7? A. 21 feet B. 98 feet C. 196 feet D. 686 feet This one is def B correct?
*Sunday, March 2, 2014 at 4:27pm*

**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
*Sunday, March 2, 2014 at 4:07pm*

**Geometry **

A rectangular prism has a base that is 5 cm by 7 cm and a height of 12 cm. If all dimensions are doubled, what happens to the volume? A. When the dimensions are doubled, the volume is twice the original volume. B. When the dimensions are doubled, the volume is three times the ...
*Sunday, March 2, 2014 at 1:32pm*

**Geometry**

how do I set up this problem a man standing on the deck of a ship with his eyes 25 feet above sea level notes that the angle of elevation to the top of a 25 foot lighthouse is 3 degrees 27 minutes. how far is the boat from the lighthouse
*Sunday, March 2, 2014 at 12:24pm*

**Geometry **

A triangle is enlarged by a factor of 3. The perimeter of the new triangle is 36 feet. What could be the lengths of the sides of the original triangle? A. 3 feet, 4 feet, and 5 feet B. 1.5 feet, 1.25 foot, and 1.25 foot C. 2 feet, 0.5 feet, and 1.8 feet D. 4 feet, 4 feet, and ...
*Sunday, March 2, 2014 at 10:41am*

**Geometry **

The circumference of a circle changes from 20 to 4 after a dilation. What was the scale factor of the dilation? A. 1/25 B. 1/5 C. 5 D. 25
*Sunday, March 2, 2014 at 10:40am*

**Geometry **

A circle with a radius of 1/2 ft is dilated by a scale factor of 8. Which statements about the new circle are true? Check all that apply. A.The length of the new radius will be 4 feet. B.The length of the new radius will be 32 feet. C.The new circumference will be 8 times the ...
*Sunday, March 2, 2014 at 10:36am*

**geometry**

If A point K is the reflection of L (2,5) IN THE Y AXIS WHAT IS THE LENGTH OF KL
*Saturday, March 1, 2014 at 2:48pm*

**Geometry**

how do I set up this problem a man standing on the deck of a ship with his eyes 25 feet above sea level notes that the angle of elevation to the top of a 25 foot lighthouse is 3 degrees 27 minutes. how far is the boat from the lighthouse
*Saturday, March 1, 2014 at 2:22pm*

**Geometry equation of circles **

Find the equation of the circle that passes through (2,2) and tangent to the line x=1 and x=6.
*Saturday, March 1, 2014 at 12:38am*

**Geometry **

What is the height of a cylinder with a volume of 384π cubic inches and a radius of 8 inches? Round to the nearest tenth of an inch.
*Friday, February 28, 2014 at 11:32pm*

**Geometry **

A cylindrical water tank has a diameter of 20 feet and a height of 15 feet. How much water is needed to fill the tank?
*Friday, February 28, 2014 at 11:31pm*

**Math (Geometry)**

Give one example of how to solve for a missing side, given 1 side (59 ft) and 1 reference angle (35 degrees) solving with the variable in the numerator. Please help and show as much work as possible!
*Thursday, February 27, 2014 at 9:14pm*

**geometry**

PN=?HN
*Thursday, February 27, 2014 at 8:24pm*

**Liberal Arts Math II**

Choose one of the following statements to complete the sentence. Discuss your reasoning for your selection. Euclid’s treatment of the fifth axiom... A) ... shows that it is important to question the nature of the assumptions that are made. B) ... is now known to be wrong...
*Wednesday, February 26, 2014 at 9:07pm*

**geometry**

Circle the following quadrilateral that does Not have at least one pair of consecutive sides congruent. (A) rhombus (B)kite(C)isosceles trapezoid(D) square Circle the following quadrilateral that may have exactly one pair of consecutive sides of congruent. (A)rhombus (B) kite(...
*Wednesday, February 26, 2014 at 12:21pm*

**GEOMETRY**

If ABC ~ DEF and the scale factor from ABC to DEF is 1/6, what are the lengths of DE,EF , and DF, respectively?
*Wednesday, February 26, 2014 at 11:54am*

**geometry**

Construct trapezium ABCD so that BC equals 6cm,AB equals 3cm,Angle B equals 80degrees and angle C equals 70 degrees.measure BD
*Tuesday, February 25, 2014 at 2:02pm*

**Geometry A **

Which line has a slope of 3 and passes though the point (-6, -4)?
*Tuesday, February 25, 2014 at 11:23am*

**Geometry**

According to the given information, segment AB is parallel to segment DC and segment BC is parallel to segment AD.. Construct diagonal A C with a straightedge. It is congruent to itself by the Reflexive Property of Equality. ________________. Angles BCA and DAC are congruent ...
*Tuesday, February 25, 2014 at 11:09am*

**Precalculus**

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB = DE, BC = EF, and angle A = angle D, then we cannot deduce that ABC and DEF are congruent. However, there are a few special ...
*Monday, February 24, 2014 at 5:18pm*

**Geometry**

Find the distance between -15 and 12 on a number line. this is what i came up with but im not sure if its right... |-15 - 7| = |-22| = 22 units
*Monday, February 24, 2014 at 11:33am*

**chemistry**

what is the geometry of the molecular compound formed by the reaction of sulfur with hydrogen? linear angular trigonal planar tetrahedral please explain the correct answer
*Sunday, February 23, 2014 at 5:03am*

**chemistry**

VSEPR theory predicts that the geometry of AsH3 molecule is which of the following. linear trigonal planar trigonal pyramidal tetrahedral please explain the correct answer
*Sunday, February 23, 2014 at 5:01am*

**Geometry**

ABCD is a parallelogram. P is a point on AB such that AP:AB = 1:4. Q is a point on CD such that DQ:DC = 1:3. AQ and DP intersect at R. Find the ratio AR:RQ and the ratio AR:AQ. Show work.
*Friday, February 21, 2014 at 5:32pm*

**Geometry**

Find the length of the side A’B’ for the congruent triangle. C = 28 degrees A = 14 Must show work with answer.
*Thursday, February 20, 2014 at 11:19pm*

**Geometry**

Right triangle ABC has one leg of length 12 in and a hypotenuse of length 13 inch. A) Determine the length of the other leg B) Determine the perimeter of the triangle. C)Determine the area of the triangle. Must show work as well as answers for each of the above.
*Thursday, February 20, 2014 at 11:17pm*

**Geometry**

Determine the volume of the three-dimensional figure. When appropriate, round your answer to the nearest hundredth. 13ft 15ft 9ft
*Thursday, February 20, 2014 at 11:14pm*

**Geometry HELP HELP **

Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 PLEASE HELP ME BELLS
*Tuesday, February 18, 2014 at 6:56am*

**Geometry**

How does the volume of a rectangular prism change if the width is reduced to 1/10 of its original size, the height is reduced to 1/4 of its original size, and the length is reduced to 2/3 of its original size? A. V=1/120lwh B. V=1/60lwh C. V= 2/3lwh D. V=3/4lwh
*Monday, February 17, 2014 at 8:35pm*

**geometry**

The angle of depression from a hot air ballon in the air to a person on the ground is 36 degrees. If the person steps back 10ft the new angle of depression is 25 degrees. If the person is 6ft tall, how far off the ground is the hot air ballon?
*Monday, February 17, 2014 at 8:14pm*

**Geometry **

How does the volume of a square pyramid change if the base area is quadrupled and the height is reduced to 1/9 of its original size? A. V= 1/27Bh B. V= 4/27Bh C. V= 2/9Bh D. V= 4/9Bh
*Monday, February 17, 2014 at 7:37pm*

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