Wednesday

September 17, 2014

September 17, 2014

**Recent Homework Questions About Geometry**

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**geometry**

A company packages it's cereal in a rectangular prism that is 2.5 inches by 7 inches by 12 inches. It is considering packaging it in a cylinder- shaped container having a 6 inch diameter and a height of 7.5 inches. Which used the least amount of packaging? Prove your answer.
*Tuesday, April 15, 2014 at 7:28pm*

**Geometry**

The word cosine literally means "the complement of the sine." Write a paragraph explaining how complements of sine and cosine are connected. I know that the sine and the cosine of complementary angles are the same. but how can i add more details/write a paragraph?
*Tuesday, April 15, 2014 at 5:50pm*

**Geometry - Area**

Find the area of a regular hexagon with an apothem 10.4 yards long and a side 12 yards long. Round your answer to the nearest tenth.
*Tuesday, April 15, 2014 at 3:23pm*

**geometry**

10^2=x•(x+3x) Use quadratic formula to solve
*Tuesday, April 15, 2014 at 2:01pm*

**Geometry**

Elimination -12x -8y=-20 -3x +9y=-27
*Tuesday, April 15, 2014 at 1:25pm*

**English**

Jessica's high grades in her geometry class made her mother and __________ very proud. A. myself B. I C. me D. ourselves C
*Monday, April 14, 2014 at 9:52pm*

**Geometry**

In a garden, a birdbath 2ft 6 in. tall casts an 18-in. shadow at the same time an oak tree casts a 90-ft shadow. How tall is the oak tree?
*Monday, April 14, 2014 at 7:19pm*

**geometry**

two concentric circles with center E, AB = 40 CD = 24, CD is perpendicular to AE, and AB is tangent at C. FInd AF AB is chord in big circle. CD is chord in little circle and C is center of AB.
*Sunday, April 13, 2014 at 8:41pm*

**Geometry**

Directions: Find the measure of one interior angle in each polygon. The first given is a PENTAGON. (that's all) I am drawing a blank!
*Sunday, April 13, 2014 at 12:55pm*

**Circle geometry**

Please help Explain how I figure this out. A circle has diameter 70cm. A chord in the circle is 50cm long. How far is the chord from the center of the circle? I have been stuck on this for days. I appreciate any help. Thank you!!
*Thursday, April 10, 2014 at 1:03pm*

**Geometry**

What is the volume/surface area for 5m,12m and 15m
*Thursday, April 10, 2014 at 11:00am*

**Geometry**

tha area of a regular octagon found by decomposing the octagon into a rectangle into trapezoids is ________ m2
*Thursday, April 10, 2014 at 6:31am*

**Circle Geometry**

A wheel has radius 30 cm.It rolls along the ground toward a tack that is 58cm from the point where the wheel currently touches the ground. What is the distance between the tack and the closest point on the circumference of the wheel! I don't understand thus it all! Please ...
*Wednesday, April 9, 2014 at 12:48pm*

**GEOMETRY**

The picture below shows a container that Rene uses to freeze water. A cylinder is shown with base diameter of 6 centimeters and the height as 8 centimeters. What is the minimum number of identical containers that Rene would need to make 2000 cm3 of ice? (Use π = 3.14.) 27...
*Wednesday, April 9, 2014 at 10:03am*

**Geometry**

Find the area. A rectangle with sides of lengths 4/5 foot and 1/2 foot
*Tuesday, April 8, 2014 at 4:01pm*

**Geometry**

#19. Given a regular octagon, find the measures of the angles formed by (a) two consecutive radii and (b) a radius and a side of the polygon.
*Tuesday, April 8, 2014 at 8:40am*

**Geometry**

#7. Find the area of a polygon with the vertices of (-4,5), (-1,5), (4,-3), and (-4,-3).
*Monday, April 7, 2014 at 7:19pm*

**geometry**

Please use this for the portfolio. You will need graph paper. 1. Start with Triangle ABC with vertices: A(0,2), B(2,5), C(3,0) 2. Find slope of side AB and BC 3. Now TRANSLATE the Triangle 4 units left, and 2 units up (x-4,y+2) and give the new vertices to find A', B'...
*Monday, April 7, 2014 at 4:44pm*

**Geometry**

Name the property of equality that justifies that statement "If m<1 + m<2 = m<3 + m<4 and m<2 = m<4, then M<1 + m<4 = m<3 + m<4" A. Subtraction B. Transitive C. Symmetric D. Substitution
*Monday, April 7, 2014 at 11:52am*

**Geometry**

what is the formula of a base area for a right trapezoidal prism?
*Sunday, April 6, 2014 at 9:35am*

**Geometry**

A certain Circle of paper has x degrees cut out of it. The two cut edges are taped together, curling the paper up into a right circular cylinder of height 8 and with a base of radius 6. What is the value of x? A) 74 B) 90 C) 120 D )144 E) 200
*Saturday, April 5, 2014 at 8:44pm*

**Math, Geometry**

The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
*Friday, April 4, 2014 at 5:01pm*

**geometry**

a a swimming pool having the shape of a rectangular solid has a length of 100 feet, a width of 32 feet,a depth of 8 feet. if the pool is 3/4 full with water,how many cubic feet of water are in the pool
*Friday, April 4, 2014 at 1:55pm*

**Geometry**

what's the surface area of a right trapezoidal prism
*Thursday, April 3, 2014 at 5:46pm*

**Geometry**

what's the formula for the base area of a right triangular prism
*Thursday, April 3, 2014 at 5:45pm*

**geometry maths**

a circle of radius 1 is inscribed in a square. A smaller circle is tangent to two sides of the square and the first circle. Determine the radius of smaller circle and larger circle
*Thursday, April 3, 2014 at 1:24pm*

**geometry **

a circle of radius 1 is inscribed in a square. A smaller circle is tangent to two sides of the square and the first circle. Determine the circumradius and inradius of the smaller circle
*Thursday, April 3, 2014 at 7:35am*

**geometry**

You are given a sheet of paper with the following diagram on it. You are also told that the two circles have the same radii and you are given a straight edge. Draw an isosceles triangle. N.B. you do not know where the centre of either circle is, you do not have any measuring ...
*Thursday, April 3, 2014 at 6:34am*

**Geometry**

In circle O, chord AB is 9 inches from the center. The diameter of the circle exceeds the length of AB by 2 inches. Find the length of AB
*Wednesday, April 2, 2014 at 10:34pm*

**maths geometry**

Two parallel cords of a circle with radius 25 cm length of 30 cm and 48 cm. Find the distance between the two cords
*Tuesday, April 1, 2014 at 2:19pm*

**geometry**

What is the vertex angle of an isosceles triangle with sides that measure of 22, 22, and 28 millimeters.
*Tuesday, April 1, 2014 at 1:38pm*

**geometry**

Find the midpoint of each side of the trapezoid. Connect the midpoints. What is the most precise classification of the quadrilateral formed by connecting the midpoints of the sides of the trapezoid?
*Tuesday, April 1, 2014 at 1:20pm*

**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*

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