Saturday

April 18, 2015

April 18, 2015

**Recent Homework Questions About Geometry**

**Algebra / geometry **

In the box shown at the right, what is th length of the dashed line? There is a picture of a cube with a dashed line going thru it diagonally. On top of the box a side is marked 12cm, on the side 8cm, and bottom 9cm.
*Tuesday, October 1, 2013 at 5:46pm*

**Astronomy**

Which of the below statements about the CMB are true? (i) The “hot” and “cold” spots are areas where photons have slightly more or less energy than average. (ii) It shows that the Universe was accelerating at the time the CMB formed, thus measuring dark ...
*Tuesday, October 1, 2013 at 5:19pm*

**Algebra/geometry **

Find te equation in slope-intercept form of the line that is the perpendicular bisector of the segment between (-3,4) and (3,-8).
*Tuesday, October 1, 2013 at 4:51pm*

**Geometry**

A cylindrical hockey puck is 1in high and 3in in diameter. What is its volume in cubic inches?
*Monday, September 30, 2013 at 10:56pm*

**Geometry**

Find the area of a regular pentagon with radius 5in.
*Monday, September 30, 2013 at 10:55pm*

**Geometry**

The length of each side of a rhombus is 16. The longer diagonal has length 26. Find the measures of the angles of the rhombus to the nearset degree.
*Monday, September 30, 2013 at 10:54pm*

**Geometry**

The altitude to the hypotenuse of a right triangle ABC divides the hypotenuse into 12mm and 16mm segments. Find the lengths of each of the following. A. The altitude to the hypotenuse B. The shorter leg of angle ABC C. The longer leg of angle ABC
*Monday, September 30, 2013 at 10:51pm*

**Geometry**

Find the area of each equilateral triangle. The triangle has 12cm sides. The triangle has 10in altitudes.
*Monday, September 30, 2013 at 10:48pm*

**Geometry**

The circumference of the ball of string is 415ft and it weighs 13,0000Ib. Which is the best approximation of the volume of the ball of string? F.300FT^3 G.600FT^3 H.1200FT^3 I.2400FT^3
*Monday, September 30, 2013 at 10:46pm*

**Geometry**

The circumference of the ball of string is 415ft and it weighs 13,0000Ib. what is the radius of the ball of string to the nearest tenth of a foot? A. 3.3 B. 6.6 C. 13.2 D. 20.75
*Monday, September 30, 2013 at 10:43pm*

**geometry**

There is something wrong with this definition for a pair of vertical angles: “If AB and CD intersect at point P, then APC and BPD are a pair of vertical angles.” Sketch a counterexample to show why it is not correct. Can you add a phrase to correct it?
*Monday, September 30, 2013 at 8:12pm*

**Geometry**

Help? The midpoint of (segment)AB is M(7,5). The coordinates of point A are (4,1). Find the coordinates of point B.
*Monday, September 30, 2013 at 8:00pm*

**Geometry**

Use the Division Property of Equality to complete the following statement. If 5x=2y, then x=? Mom in need of help
*Monday, September 30, 2013 at 6:48pm*

**Geometry**

Sarah is making a scale drawing of a painting that is 48 in. wide by 120 in tall. her paper is 12 in. wide and 24 in. tall. She decides to use the scale 1 in. = 4in. is this a reasonable scale?
*Monday, September 30, 2013 at 5:35pm*

**Geometry**

The Seattle space needle is 604 feet tall. a model of the building is 48 inches tall. what is the ratio of the height of the model to the height of the actual space needle? A. 151:1 B 151:12 c.1:151 D.12:151
*Monday, September 30, 2013 at 4:54pm*

**Geometry proving quadrilaterals **

Proving quadrilaterals PLEASE PLEASE PLEASE HELP *the diagonals of a square bisect the vertex angle * the diagonal of a rhombus are perpendicular *each diagonal of a rhombus bisects the opposite angles of the rhombus help me prove please how ? tell me
*Monday, September 30, 2013 at 6:58am*

**Geometry**

Find the missing length. MG=10cm, NP=4cm, QP= 14cm, MN=____cm
*Sunday, September 29, 2013 at 11:41pm*

**Geometry**

The volume of two similar rectangular prisms are 64cm^3 and 1000cm^3. The surface area of the smaller figure is 112cm^2. What is the surface area in square centimeters of the larger figure?
*Sunday, September 29, 2013 at 11:40pm*

**Geometry**

A lawn chair weighs 8Ib. A child's lawn chair has dimensions exactly one half those of the larger chair. How many pounds does the child's chair weigh?
*Sunday, September 29, 2013 at 11:36pm*

**Geometry**

The slan heights of two similar pyramids are in the ratio 1:5. The volume of the smaller pyramid is 60m^3. What is the volume in cubic meters of the larger pyramid?
*Sunday, September 29, 2013 at 11:34pm*

**Geometry**

Two similar pyramids have laterl area 8ft^2 and 18ft^2. The volume of the smaller pyramid is 32ft^3. Find the volume of the larger pyramid.
*Sunday, September 29, 2013 at 11:31pm*

**Geometry**

A regular pentagonal solid prism has 9cm base edges. A larger, similar solid prism of the same material has 36cm base edges. How does each indicated measurement for the larger prism compare to the same measurement for the smaller prism? Find the volume and weight.
*Sunday, September 29, 2013 at 11:29pm*

**Geometry**

Which is the best approximation of the volume of the ball of string? A. 300ft^3 B. 600ft^3 C. 1,200ft^3 D. 2,400ft^3
*Sunday, September 29, 2013 at 11:24pm*

**Geometry**

what is the radius of the ball of string to the nearest tenth of a foot? A. 3.3 B. 6.6 C. 13.2 D. 20.75
*Sunday, September 29, 2013 at 11:22pm*

**Geometry**

find the radius of a sphere withh the given property. A.The number of square meters of a surface area equals the number of cubic meters of volume. B. The ratio of surface area in square meters to volume in cubic meters is 1:5.
*Sunday, September 29, 2013 at 11:17pm*

**Geometry**

The density of steel is about 0.28Ib/in^3. could you lift a solid steel ball with radius 4in? whith radius 6in? explain
*Sunday, September 29, 2013 at 11:13pm*

**geometry**

if line MS is a median of triangle MNQ. Line QS equals 3a-14, line SN equals 2a + 1, and the measurment of angle MSQ equals 7a+1, find the value of a. Is line MS also an altitude of triangle MNQ?
*Sunday, September 29, 2013 at 10:17am*

**geometry**

1) A billboard on level ground is supported by a brace, as shown in the accompanying diagram. The measure of angle A is 15 degrees is greater than twice the measure of Angle B. Determine the measure of Angle A and the measure of angle B.
*Saturday, September 28, 2013 at 9:03pm*

**Geometry**

Give the dimensions of a cylinder and a sphere that have the same volume.
*Friday, September 27, 2013 at 3:21pm*

**Geometry**

On September 3, 1970 a hailstone with diameter 5.6in fell at Coffeyville, Kansas. It weighed about 0.018Ib/in^3 compared to the normal 0.033Ib/in^3 for ice. About how heavy was this Kansas hailstone?
*Friday, September 27, 2013 at 3:18pm*

**Geometry**

tell whether each of the following points is inside, outside, or on the sphere. A(o, -3,4)B(-1,-1)C(4,-6,-10).
*Friday, September 27, 2013 at 3:10pm*

**Geometry**

use pie(3.14) to estimate the surface area and volume of a sphere with radius 3cm.
*Friday, September 27, 2013 at 3:05pm*

**Geometry**

True or False: If x>4, then x>0 ? If false please explain.
*Thursday, September 26, 2013 at 11:57pm*

**geometry**

what is a concave polygon using the classify and differentiate method
*Thursday, September 26, 2013 at 10:59pm*

**Geometry**

If line AB is perpendicular to line EF, and line CD is perpendicular to EF, then the measure of angle 1=the measure of angle 2. Give an arguement for the statement and a reason for each step. There is also a diagram drawn on my homework which is a vertical line with two ...
*Thursday, September 26, 2013 at 8:25pm*

**Geometry**

A 5 foot tall woman stands 15ft from a statue. She must look up at an angle of 60 degrees to see the top of the statue. How tall is the statue?
*Wednesday, September 25, 2013 at 10:18pm*

**geometry**

hai takes 12 minutes to walk to school. he wants to get there 15 minutes early to meet with his lab partner. what time should he leave his house if school starts at 8:10am?
*Wednesday, September 25, 2013 at 8:28pm*

**Geometry**

If BC bisects angle ABD, and angle abc=5x+11 angle CBD=10x-4 a.5 b.3 c.1 d.2
*Wednesday, September 25, 2013 at 12:03pm*

**Geometry**

find the area of a hexagon with radius 6.2m.
*Tuesday, September 24, 2013 at 10:08pm*

**Geometry**

find the area of a regular pentagon with radius 5in
*Tuesday, September 24, 2013 at 10:07pm*

**Geometry**

find the volume of a triangular prisim with a=2.3, c=2 and h=1.5
*Tuesday, September 24, 2013 at 9:46pm*

**Geometry**

what shape does a semi circle form when rotated?
*Tuesday, September 24, 2013 at 9:42pm*

**Geometry**

what shape does a square form when rotated?
*Tuesday, September 24, 2013 at 9:42pm*

**Geometry**

what is the volume of a cylinder with a radius of 1.2 and height of 5.3cm
*Tuesday, September 24, 2013 at 9:41pm*

**Geometry**

A plane flying 16 degrees west of north at 289mph is flying in air which is moving 32mph at due west. Find the resulting speed and direction of the plane. (Step by step please!)
*Tuesday, September 24, 2013 at 9:34pm*

**Geometry**

A regular hexagon with radius 6.2m.
*Tuesday, September 24, 2013 at 9:32pm*

**Geometry**

A regular pentagon with radius 5inches.
*Tuesday, September 24, 2013 at 9:30pm*

**Geometry**

Explain why sinx degrees= cos(90-x)degrees. include a diagram with your explanation.
*Tuesday, September 24, 2013 at 9:29pm*

**Geometry**

Three coplanar lines always make a triangle? Find a counter example.
*Tuesday, September 24, 2013 at 5:42pm*

**Geometry**

2,3,5,7,11... What is the inductive reasoning?
*Tuesday, September 24, 2013 at 5:25pm*

**Geometry**

3,4.5,6.75,10.125... what is the inductive reasoning?
*Tuesday, September 24, 2013 at 5:25pm*

**Geometry **

2,3,5,7,11.... What is this inductive reasoning?
*Tuesday, September 24, 2013 at 5:22pm*

**Geometry **

2,3,5,7,11.... What is this inductive reasoning?
*Tuesday, September 24, 2013 at 5:17pm*

**Geometry**

3,4.5,6.75,10.125... what is the inductive reasoning?
*Tuesday, September 24, 2013 at 5:16pm*

**geometry**

Earth completes one full rotation each day, making the Sun appear to rise and set. If the Sun passes directly overhead, by how many degrees does its position in the sky change every hour?
*Monday, September 23, 2013 at 8:25pm*

**geometry**

For 1 through 10, what is the area and volume of the given shape, if the length of one side of the base is 6, the height is 8, and the slant height is 10? (Not all shapes will require all three numbers.) The shape is a right prism with: 1. an equilateral triangle as the base
*Monday, September 23, 2013 at 4:25pm*

**Geometry **

Line BD bisects angle ABC. Angle ABC= 9x. Angle ABD= 4x+13. Finds angle DBC
*Monday, September 23, 2013 at 12:47pm*

**geometry**

two angles, a and b are complementary if the sum of their measure is 90 degrees. If angle a is 21 degrees more than twice angle b find the measures of angles a and b. I would like to know how to set this equation up in order to find the answer.
*Saturday, September 21, 2013 at 7:52pm*

**Math-Geometry**

Angle AOB=x+3, Angle AOC=2x+11, Angle BOC=4x-7. Solve for x.
*Saturday, September 21, 2013 at 7:11pm*

**Geometry**

A surveyor measuring the tallest tree in a park is 100ft from the tree. His angle-measuring device is 5 ft above the ground. The angle of elevation to the top of the tree is 48°. How tall is the tree?
*Friday, September 20, 2013 at 9:55pm*

**Geometry**

A family vacationed at a beach 120 mi east and 30 mi south of their home. Find the distance and the direction from their home to the beach.
*Friday, September 20, 2013 at 9:54pm*

**Geometry**

Twenty minutes after being launched, a hot-air balloon has risen to an altitude of 300 m. The pilot can still see the starting point on the ground at a 25° angle of depression. How many meters is the balloon from the starting point?
*Friday, September 20, 2013 at 9:54pm*

**Geometry**

A 5 foot tall woman stands 15 ft from a statue. She must look up at an angle of 60° to see the top of the statue. How tall is the statue?
*Friday, September 20, 2013 at 9:53pm*

**Geometry**

Four lines intersect at point P, forming 8 angles at the point. What is the average angle measure of the 8 angles?
*Friday, September 20, 2013 at 7:15pm*

**Geometry**

A rectangle has the same perimeter as a square. If the area of the rectangle is 9 less than the area of the square, the side length of the square is how much longer than the shorter side of the rectangle ?
*Friday, September 20, 2013 at 6:50pm*

**Geometry**

Two squares have an average perimeter of 36 and an average area of 90. What is the side length of the larger square?
*Friday, September 20, 2013 at 4:57pm*

**Geometry**

If one of the interior angles of a pentagon has a measure of 48 degrees, what is the average measure of the pentagon's other interior angles ?
*Friday, September 20, 2013 at 4:42pm*

**Math (Geometry)**

Find the length of the third side of a triangle if the area of the triangle is 18 and two of its sides have lengths of 5 and 10.
*Friday, September 20, 2013 at 4:01pm*

**geometry**

Given: FG (SEG) bisects BT (SEG) BO=7x-6 OT=5x+10 Prove: BO=50
*Thursday, September 19, 2013 at 2:22am*

**geometry**

Given: FG (SEG) bisects BT (SEG) BO=7x-6 OT=5x+10 Prove: BO=50
*Thursday, September 19, 2013 at 2:21am*

**Geometry**

Points G and H lie on line k and have coordinates (2,0) and (-1,9), respectively. Which of the following points is also on line k ? a) (3,-9) b) (4,-6) c) (4, -3) d) (5, -3) e) (5, -1)
*Wednesday, September 18, 2013 at 9:37am*

**Geometry**

A square has side lengths of 3n and n + 18. What is the area of the square?
*Tuesday, September 17, 2013 at 8:26pm*

**Geometry**

Arc DE has a length of ð(pie), and the straight line distance between points D and E is equal to the radius of the circle. What is the area of the circle?
*Tuesday, September 17, 2013 at 7:26pm*

**Geometry**

The ratio of the radius of circle Q to the radius of circle R is 4:5. The area of circle R is what percent greater than the area of circle Q?
*Tuesday, September 17, 2013 at 7:21pm*

**Geometry**

Use the given plan to write a two-column proof of the Symmetric Property of Congruence. Given: segment AB ≅ segment EF Prove: segment EF ≅ segment AB Plan: Use the definition of congruent segments to write segment AB ≅ segment EF as a statement of equality. ...
*Tuesday, September 17, 2013 at 7:20pm*

**geometry**

what does the definition of angle bisector mean
*Monday, September 16, 2013 at 10:24pm*

**Geometry**

A rectangle has side lengths in the ratio 2:3. The ratio of the rectangles's perimeter to its area is 5:9. What is the length of the longer leg of the rectangle?
*Monday, September 16, 2013 at 3:44pm*

**Geometry**

The running track at the right is a rectangle with a half circle on each end. FI and GH are diameters. Find the area insidevthevtrack to the nearest tenth.
*Sunday, September 15, 2013 at 12:16pm*

**Radius Question Geometry(college level)**

When you have 3 separate circles and the radius of each of those circles is 10 do i calculate like this? 2(10)+2(10)+2(10)=60 cm for my diameter
*Saturday, September 14, 2013 at 8:21am*

**geometry**

if the line ab bisects the segment cd at p then p is the mid point of segment cd
*Friday, September 13, 2013 at 8:07pm*

**geometry**

Each of the three circles have a radius of 10. The line OA contains the center of the three circles, and the line OB is tangent to the right-hand circle. Find the length of segment CD
*Friday, September 13, 2013 at 7:48pm*

**Geometry**

Kristen lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Kristen’s home and the football field at the exact point where an altitude to the right triangle formed by her home, the park, and the ...
*Wednesday, September 11, 2013 at 11:35pm*

**geometry**

If BC = 16 and AC = 29, find AB.
*Wednesday, September 11, 2013 at 9:38am*

**geometry**

in the original drawing, the rectangular pieces of paper from which the hands emerge measures 27.6 cm by 19.9 cm. on a poster of the drawing the paper is 82.8 cm long. what is the scale factor of the dilation used to make the poster? is it scale factor:3 what is the area of ...
*Tuesday, September 10, 2013 at 5:17pm*

**geometry**

m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin
*Tuesday, September 10, 2013 at 5:17pm*

**geometry**

an optometrist dilates a patients pupil from 6 mm to 8 mm. what is the scale factor for this dilation? is it 2 Answer th
*Tuesday, September 10, 2013 at 5:16pm*

**geometry**

an optometrist dilates a patients pupil from 6 mm to 8 mm. what is the scale factor for this dilation? is it 2
*Monday, September 9, 2013 at 5:03pm*

**geometry**

m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin
*Monday, September 9, 2013 at 4:52pm*

**geometry**

in the original drawing, the rectangular pieces of paper from which the hands emerge measures 27.6 cm by 19.9 cm. on a poster of the drawing the paper is 82.8 cm long. what is the scale factor of the dilation used to make the poster? is it scale factor:3 what is the area of ...
*Monday, September 9, 2013 at 4:22pm*

**Geometry**

Find the coordinates of the midpoint of a segment having the given endpoints. Then find the distance between the endpoints. 1. G(0,0), H(-3,4) 2. A(-4,-4), W(-2,2) 3. N(5,2), K(-2,8)
*Sunday, September 8, 2013 at 7:25pm*

**geometry**

Need help with a word problem - Carrie collected can food for a homeless shelter each day for one week. On day one she collected 7 cans, on day two she collected 8 cans, on day three she collected 10 cans and on day four she collected 13 cans. If Carrie wanted to give at least...
*Sunday, September 8, 2013 at 6:27pm*

**maths..... geometry word problems**

the length of a rectangle is 8 cm more than its width. if its perimeter is 56 cm, find its area.
*Sunday, September 8, 2013 at 9:30am*

**Geometry**

A triangle has side lengths 3in, 4in, and 6in. The longest side of a similar triangle is 15in. What is the length of the shortest side of the similar triangle?
*Sunday, September 8, 2013 at 1:40am*

**Geometry**

<1 and <2 are alternate interior angles formed by two parallel lines and a transversal. If m<2=68, what is m<1?
*Saturday, September 7, 2013 at 9:22pm*

**Geometry**

A 2ft. vertical post casts a 16in. shadow at the same time a nearby cell phone tower casts a 120ft. shadow. How tall is the cell phone tower?
*Saturday, September 7, 2013 at 8:15pm*

**algebra**

1. Are the rotations of figures always congruent? Why are or why not? 2. 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? Explain.
*Friday, September 6, 2013 at 1:46pm*

**HELP! Geometry**

Part I 1. Why is the word coplanar included in the definition for parallel lines? 2. Explain why you think the angle pairs formed by two lines and a transversal are related. Why might it be helpful to identify them as angles that go together instead of independent angles
*Friday, September 6, 2013 at 12:33pm*

**Geometry**

How do you segment postulates to determine congruent segments
*Friday, September 6, 2013 at 12:32pm*

**Geometry**

Paragraph proof: in the figure AC and BD LIE IN PLANE j and BY AND CX lie on k C and D are collinear. 2.) points a c and x are coplanar. 3.) X and Y are collinear
*Friday, September 6, 2013 at 11:32am*

**Geometry..... reposted ques by me**

in the diagram AB=20 cm, BC=21 cm, AD=10 cm and DE= 10.5 cm. Angles ABC and ADE are right angles. if triangle ADE is removed from triangle ABC.What is the area of shaded region that remains?
*Friday, September 6, 2013 at 7:59am*