Saturday

January 31, 2015

January 31, 2015

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**elementary differential geometry**

Suppose that all the tangent lines of a regular plane curve pass through some ﬁxed point. Prove that the curve is part of a straight line. Prove the same result if all the normal lines are parallel.
*Saturday, January 31, 2015 at 10:30am*

**Geometry midpoint formula**

A circle on the Coordinate plane has a diameter with endpoints at (6,8) and (15,8). What are the coordinates of the center of the circle? What is the radius of the circle? Identify the coordinates of another point on the circle. Explain how you found your answer.
*Wednesday, January 28, 2015 at 5:05pm*

**Physics **

Well, I just found out that I failed my physics midterm. I got a 51. Yes I studied but I still don't get the forces and inclined planes. And my parents are going to kill me if they find out. The midterm brought down my grade to a 79!! Any advice? P.S I also got a 71 on my ...
*Wednesday, January 28, 2015 at 3:27pm*

**geometry**

The diagonal of a square checkerboard is 2 inches long. Find the length of one side of the checkerboard
*Wednesday, January 28, 2015 at 1:10am*

**geometry**

A diagonal of a square checkboard is 20 inches long. find the length of one side of the checkerboard,
*Tuesday, January 27, 2015 at 10:17pm*

**Geometry**

I am having trouble with this question. I do not know where to begin. I am in Trig now and we are doing review but I forgot everything that I learned in Geometry. I want to understand how to do this problem. "a picture measures 20 cm by 25 cm. the width of the matting and...
*Tuesday, January 27, 2015 at 9:53pm*

**Geometry**

There are 4 blue marbles, 5 red marbles, 1 green marble, and 2 black marbles in a bag. Suppose you select one marble at random. Find each probability
*Monday, January 26, 2015 at 10:00pm*

**Geometry **

Jay, Kay, Ray found themselves far apart for lunch while working in a field. Jay could see Kay, then turned 75 degrees and see Ray. Kay could see Ray, then turn 51 degrees and see Jay. Ray could see jay, then turn 54 degrees and see Kay. Which two were the furthest apart? A) ...
*Monday, January 26, 2015 at 7:53pm*

**Geometry**

How many different surface areas are possible when 8 one inch cubes are arranged so that each has one or more faces in common (touching) with at least one of the other cubes? We have to use a physical model. And I have no idea how to start this or even do it. Please be ...
*Sunday, January 25, 2015 at 4:43pm*

**Sphere Geometry**

Let f be the outward flux of the vector field F = (4x,2y,0) over the part of the sphere of radius 3 centered at the origin between the planes z=-0.8232 and z=1.6698. The value of sin f is?
*Sunday, January 25, 2015 at 3:31am*

**Geometry**

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted red?"...
*Saturday, January 24, 2015 at 10:04pm*

**Geometry, Cubes**

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted red?"...
*Saturday, January 24, 2015 at 4:48pm*

**Geometry**

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted red?"...
*Saturday, January 24, 2015 at 4:17pm*

**Geometry**

How many different surface areas are possible when 8 one inch cubes are arranged so that each has one or more faces in common (touching) with at least one of the other cubes? We have to use a physical model. And I have no idea how to start this or even do it.
*Saturday, January 24, 2015 at 3:52pm*

**Geometry ques**

Find the area of the region bounded by C: y = tanx , tangent drawn at C at x = pie/4 and the x- axis.
*Saturday, January 24, 2015 at 1:35pm*

**Geometry**

P(2ap, ap^2) is a any point on the parabola x^2=4ay other than its vertex. The normal at P meets the parabola again at Q. Find the coordinates of Q.
*Saturday, January 24, 2015 at 12:54pm*

**geometry **

A 6ft tall man casts a 10ft shadow next to his 4ft tall daughter how long is her shadow ? I Don't Get The Question
*Friday, January 23, 2015 at 3:22pm*

**geometry**

a pentagon with a perimeter of 45 feet
*Thursday, January 22, 2015 at 3:25pm*

**geometry**

The angle of elevation from L to K measures 24°. If KL = 19, find JL. Round your answer to the nearest tenth.
*Thursday, January 22, 2015 at 3:20pm*

**Geometry**

one ladder is 7.2 feet longer than another. each is placed on level ground with its lower ends 8.3 ft from the the foot of a vertical wall. the longer ladder reaches 9.1 ft farther up the wall. how long is the longer ladder?
*Thursday, January 22, 2015 at 12:20am*

**Geometry**

Is it correct to say that a parallelogram having perpendicular distance between the opposite sides equal, is a rhombus ? If yes, then how ?
*Thursday, January 22, 2015 at 12:17am*

**Geometry**

Find the equation of a circle centre on the line y=2x+1 touching the y axis and passing through A(4,5)
*Thursday, January 22, 2015 at 12:14am*

**Geometry**

Which one of these is NOT a step used when constructing an inscribed square using technology? A. Create a circle using the center with given points tool. B. Connect the points with a line through the center of the circle. C. Mark the points of intersection between the three ...
*Tuesday, January 20, 2015 at 6:59pm*

**Geometry **

ABC= (5x+40) and BDC=ax what is the value of x
*Monday, January 19, 2015 at 5:58pm*

**Geometry **

The scale on a map indicates that one inch equals 4 miles. If two towns are 3.5 inches apart on the map, what is the actual distance between the towns? 1 inch=4 miles. 3.5=x 1/4=3.5/x x=14
*Monday, January 19, 2015 at 1:42pm*

**geometry**

When looking at a quilt pattern, How do you describe the minimum number of translations of the original pattern A
*Sunday, January 18, 2015 at 11:26pm*

**geometry**

I am given triangle EDF with angles E and F being congruent. What is the perimeter of the triangle if ED= 2x+8, EF= 3x-6, and DF= 4x-6.
*Sunday, January 18, 2015 at 12:57pm*

**geometry**

A square playground has a perimeter of 2800 feet. It has a paved 6-foot walkway around it. What is the area of the walkway in square feet?
*Sunday, January 18, 2015 at 12:28pm*

**Geometry**

find the distance between the cities. Assume that Earth is a sphere of radius 4000 miles and that the cities are on the same longitude (one city is due north of the other) Dallas, Texas Latitude: 32* 47' 39" Omaha, Nebraska Latitude: 41* 15' 50"
*Saturday, January 17, 2015 at 3:20pm*

**Geometry**

Explain through transformations the angle-angle criterion (AA) is sufficient to establish similarity in triangles.
*Saturday, January 17, 2015 at 3:20pm*

**Geometry**

if a circle passes through the point of intersection of the co-ordinate axes with the lines kx-y+1=0 and x-2y+3=0. find k.
*Saturday, January 17, 2015 at 3:20pm*

**Geometry**

2 circles with centers O and O' are drawn to intersect each other at points A and B. Center O of one circle lies on the circumference of the other circle. CD is drawn tangent to the circle with center O' at A. Prove that OA bisects angle BAC.
*Saturday, January 17, 2015 at 3:19pm*

**Geometry**

How to find point of intersection of direct common tangents for two circles which touch each other?
*Saturday, January 17, 2015 at 3:19pm*

**Geometry**

determined three points P(x1, y1, z1), Q (x2, y2, z2), and R(x3, y3, z3). find the center of weight of triangle PGR?
*Saturday, January 17, 2015 at 3:18pm*

**Geometry**

Prove that image of focus at any tangent to parabola lies on its directrix.
*Saturday, January 17, 2015 at 3:18pm*

**geometry**

Verify experimentally all theorem in chart paper.
*Saturday, January 17, 2015 at 8:52am*

**Geometry**

Write a proof. 1. Prove: If the diagonals of a parallelogram are perpendicular, then the parallelogram is a rhombus. 2. Prove: If the diagonals of a parallelogram are congruent, then parallelogram is a rectangle.
*Friday, January 16, 2015 at 9:08pm*

**Geometry **

Does the angle-side relationship in triangles correspond with specific triangles or does it apply in all triangles?
*Wednesday, January 14, 2015 at 9:06pm*

**Geometry**

Help please. I don't know how to solve step by step!! What is the range of possible values for x? The diagram is not to scale. h t t p :/ / i . i m g u r.c o m/ s n S v w .p n g
*Wednesday, January 14, 2015 at 8:16pm*

**Geometry**

If a central angle of 90 degrees defines an arc on circle R that has the same length as the arc on circle W defined by a 60-degree central angle, what is the ratio of the area of circle R to the area of circle W? Express your answer as a common fraction.
*Monday, January 12, 2015 at 6:00pm*

**geometry**

I have the basal and volume as hints to find out about the object's height. Is there a specific formula I can follow?
*Monday, January 12, 2015 at 4:30pm*

**Geometry**

I realize I'll get a reply in the morning so... A squash ball must have a diameter either 0.5 mm either above or below 40 mm. a) What is the minimum and maximum surface area of a squash ball? Express answer to nearest square millimetre. Minimum: 4902 Maximum: 5153 mm b)If ...
*Monday, January 12, 2015 at 1:41am*

**Geometry**

A hand drum has a diameter of 14 7/8 inches and is 3 in deep. What is the amount of hide needed if the hide only covers top and lateral faces? *what are lateral faces? Thanks!
*Monday, January 12, 2015 at 1:28am*

**Geometry**

Find the radius of a cylinder with a volume of 393.3 cm^3 and a height of 3cm V = pi*r^2*h 393.3 = pi*r^2*h 41.75 cm = r^2 6.5 cm = r <-------------
*Sunday, January 11, 2015 at 9:11pm*

**8th Grade Geometry**

given that triangle ABC~ triangle XYZ, angle a=50, angle x=(2x+5y), angle z= (5x+y), and that angle b =(102-x), find angle z.
*Sunday, January 11, 2015 at 1:33pm*

**geometry**

The base of an isoceles triangle is 26 cm .If the perimeter is 72 cm. Find the lengt of each of the equal sides
*Saturday, January 10, 2015 at 9:37pm*

**Geometry**

52. Complete two column proof. Given: x/6+2=15 Prove: x=78 x/6+2=15 A:______ x/6=13 B:______ x=78 C:_______
*Friday, January 9, 2015 at 10:00am*

**geometry honors**

Can you prove ABCD is a parallelogram based on the given information? Explain. Given: x = 5, y = 4 Prove: ABCD is a parallelogram. The image consists of a quadrilatera ABCD with their sides AB, BC, CD, DA as 3x + 12, 7y - 8, 6x - 3 and 5y respectively.
*Thursday, January 8, 2015 at 8:20pm*

**Geometry**

The sides of a triangle have lengths of 9, 11, and 16 units. What is the perimeter of a similar triangle with its longest side 24 units in length?
*Thursday, January 8, 2015 at 5:48pm*

**Geometry**

Graph the following quadrilateral: A(-2,-3) B(-1,1) C(4,-1) D(3,-5) Graph quadrilateral ABCD after a translation which moves point D to the origin. Label the new quadrilateral A' B' C' D'.
*Tuesday, January 6, 2015 at 6:52pm*

**geometry **

From an apartment window 24 m above the ground, the angle of depression of the base of a nearby building is 38 degrees and the angle of elevation is of the top is 63 degrees. How tall is the nearby building?
*Monday, January 5, 2015 at 8:26pm*

**Analytical Geometry**

A 10 foot long ladder is leaning against a vertical wall with the top of the ladder 8ft from the ground. What is the slope of the ladder? How far is the foot of the ladder from the wall? Can a 6 foot tall man walk under the ladder 1 foot from the wall? Justify your answer.
*Sunday, January 4, 2015 at 8:48am*

**Geometry**

In rectangle ABCD, AC= 8x-10 and BD=2x+20. Find the length of BD
*Saturday, January 3, 2015 at 11:09pm*

**Geometry**

Find an equation of the line passing through the point (6,5) and perpendicular to the line whose equation is 2y+3x=6
*Saturday, January 3, 2015 at 11:07pm*

**Geometry **

If triangle ZXY is an equilateral triangle and the measure of W equals 34 degrees, what is the measure of the triangle WXZ? Work: XZ bisects WXZ and ZXY ; since W is 34 degrees, than Y is 34 degrees and since ZXY is equilateral, that also means that Z is 34 degrees.
*Thursday, January 1, 2015 at 1:13pm*

**geometry**

Find the locus of a point which is equidistant from the origin and the point (-2,5)
*Monday, December 29, 2014 at 5:47pm*

**geometry**

how do you find the speed of the plane 130 miles per hour, cross wind 20 miles hour
*Saturday, December 27, 2014 at 6:01pm*

**Geometry**

In quadrilateral exam EA intersects XM at G and XM bisects angle EXA and angle EMA Prove EG is congruent to GA Can you please help me
*Tuesday, December 23, 2014 at 3:50pm*

**Geometry I**

What is the measure of 1? • 47o • 37o • 74o • 53o
*Friday, December 19, 2014 at 6:22pm*

**GEOMETRY**

The sum of the measures of two exterior angles of a triangle is 264o. What is the measure of the third exterior angle? • 84o • 96o MY ANSWER?? • 112o • 124o
*Thursday, December 18, 2014 at 7:14pm*

**geometry**

Tan@ + tan2@ + tan3@ ... tann@ = ?
*Wednesday, December 17, 2014 at 11:39am*

**Geometry **

Points D, E, and F are the midpoints of sides \overline{BC}, \overline{CA}, and \overline{AB} of \triangle ABC, respectively, and \overline{CZ} is an altitude of the triangle. If \angle BAC = 71^\circ, \angle ABC = 39^\circ, and \angle BCA = 70^\circ, then what is \angle EZD+\...
*Tuesday, December 16, 2014 at 8:20pm*

**Urgent geometry help**

On my test over parallel lines and proportional parts in triangles today, there was a question that asked to solve for x. There was 2 problems with x in them in the triangle. So would I just have to multiply each part by two and set them equal to each other?
*Monday, December 15, 2014 at 6:42pm*

**Analytic Geometry**

Find the bisectors of the interior angles of the triangle whose sides are the line 7x+y-7=0, x+y+1=0 and x+7y-4=0.
*Sunday, December 14, 2014 at 8:41am*

**easy geometry**

Can you please show you solution and final answer here. Thanks! 1.Find the altitude,perimeter and area of an isosceles trapezoid whose sides have lengths 10 cm, 20 cm, 10 cm and 30 cm. 2. The formula A=P(a+r)^2 is used to find the amount of money A in an account after P pesos ...
*Sunday, December 14, 2014 at 2:02am*

**Geometry**

By the water cooler in an office, there are conical paper cups. The radius is about 1.2 inches and the height is about 3.5 inches. How much water does the cup hold if it is filled to the top?
*Saturday, December 13, 2014 at 3:52pm*

**easy geometry**

1)If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus. 2)A regular hexagon with a perimeter of 24 units is inscribed in a circle. Find the radius of the circle. 3)Find the altitude,perimeter and area of an isosceles trapezoid whose sides ...
*Saturday, December 13, 2014 at 6:53am*

**geometry**

A regular hexagon with a perimeter of 24 units is inscribed in a circle. Find the radius of the circle.
*Saturday, December 13, 2014 at 5:27am*

**geometry**

1.The perimeter of parallelogram QUAD is 10 more than 5 times AU. If QU =26 cm. find AU 2.If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus SOlutions pleaseeeeeee
*Saturday, December 13, 2014 at 4:33am*

**geometry**

The perimeter of a parallelogram QUAD is 10 more than five times AU.If QU = 26 cm.Find AU.
*Saturday, December 13, 2014 at 4:23am*

**geometry**

In four non collinear points , how many line segments can be drawn?
*Friday, December 12, 2014 at 10:09pm*

**Geometry**

an airplane flying at an altitude of 10,000ft or 1.89 miles. The airport at which it is schooled to land is 50 mi away. Find the average angle at which the airplane must descent for landing round your answer to the nearest degree.
*Friday, December 12, 2014 at 12:52am*

**geometry**

1. The sides of a triangle, in centimetres, are given by 3n-4, 3n+9, 4n+5. Draw a diagram to show the information. If the perimeter of the triangle is 114 cm, find the length of each side.
*Thursday, December 11, 2014 at 10:40pm*

**Geometry**

Carl is looking to buy a farm. While looking at a potential property, Carl wants to know the height of the silo. He measures a nearby tree to be 8ft. When he stands 25ft away from the silo and 2 ft away from the tree, he can see the silo in the distance. His eyesight is 5 ft ...
*Thursday, December 11, 2014 at 9:24pm*

**Math- Geometry**

Given: Angle ABC is a right triangle with hypotenus AB D,E and F are midpts of the sides of the triangle Proof: a. CDEF is a rectangle b. EC is half of AB
*Thursday, December 11, 2014 at 9:19pm*

**geometry**

Chords AB and DC intersect at R. Using the values given in the diagram below, what are the lengths of AR and AB.
*Thursday, December 11, 2014 at 6:59pm*

**geometry**

Satellite Explorer VII, with a = 4465 and b = 4462, and with the center of the Earth being at one of the foci of the ellipse. Assuming the Earth has a radius of about 3960 miles,graph both the orbits of Explorer VII and earths surface on the same axis if the average radius of ...
*Wednesday, December 10, 2014 at 11:17pm*

**Geometry**

A marathon runner ran the first 4 miles in 27.8 minutes. If she continues running at this pace, how long will it take her to run the entire marathon of 26.2 miles?
*Tuesday, December 9, 2014 at 8:40pm*

**geometry**

Points B, D, and F are midpoints of the sides of EC = 33 and DF = 20. Find AC. The diagram is not to scale. (1 point) A:40 B:33 C:10 D:66
*Tuesday, December 9, 2014 at 1:20pm*

**geometry**

the perimeter of a square window is 18 feet 8 inches. Find the area of the window in a square inches and in square feet.
*Monday, December 8, 2014 at 10:10pm*

**GEOMETRY**

write the following composition as one translation: T3,5 0 T4,-4
*Monday, December 8, 2014 at 8:40pm*

**geometry**

Q: In baseball, the baseline is a segment connecting the bases. A shortstop is told to play back 3 yd from the baseline and exactly the same distance from second base and third base. Describe how the shortstop could estimate the correct spot. There are 30 yd between bases. ...
*Monday, December 8, 2014 at 7:33pm*

**geometry**

Q: In baseball, the baseline is a segment connecting the bases. A shortstop is told to play back 3 yd from the baseline and exactly the same distance from second base and third base. Describe how the shortstop could estimate the correct spot. There are 30 yd between bases. ...
*Monday, December 8, 2014 at 6:39pm*

**GEOMETRY - URGENT! HELP!**

Let ABCD be a parallelogram. Let M be the midpoint of AB and N be the midpoint of AD. Diagonal BD intersects CM and CN at P and Q respectively find PC/BD.
*Saturday, December 6, 2014 at 3:24pm*

**Geometry**

Let ABCD be a parallelogram. Let M be the midpoint of AB and N be the midpoint of AD. Diagonal BD intersects CM and CN at P and Q respectively find PC/BD.
*Saturday, December 6, 2014 at 3:12pm*

**Geometry**

I have four questions: 1. The area of trapezoid ABCD is 60. One base is 4 units longer than the other, and the height of the trapezoid is 5. Find the length of the median of the trapezoid. 2. In trapezoid ABCD, line BC is parallel to line AD, angle ABD = 105 degrees, angle A...
*Saturday, December 6, 2014 at 12:51am*

**GEOMETRY**

THE area of circle B is 25 times greater than the area of circle A. The radius of circle A is 3. What is the radius of circle B?
*Thursday, December 4, 2014 at 11:48am*

**geometry**

A rectangle has a side whose length is 5 and a diagonal whose length is √74. What is the area of the rectangle?
*Tuesday, December 2, 2014 at 8:23pm*

**College Geometry**

A tipi is a portable structure made of poles and covered in hides. Native American tipis varied in size and the number of poles used. A 12-pole tipi framework is shown in the following figure. The framework of a tipi lean toward the west so the apex was not centered above the ...
*Monday, December 1, 2014 at 3:57am*

**Geometry**

Draw a pentagon shaped courthouse, it must be painted. Each wall of the courthouse is 80ft by 18ft. Problem:
*Sunday, November 30, 2014 at 9:00pm*

**geometry**

Having a very hard time. Can someone please help. Im trying to find how many sides a polygon has if, the difference of the interior and exterior angles is 100 degrees?
*Sunday, November 30, 2014 at 4:29pm*

**math geometry project**

Design a dance floor with a mosaic pattern. • Classify triangles, use congruent triangles in real-life situations, find the areas of triangles and quadrilaterals. Investigation: You work for a construction company. One of your clients wants the company to build a 16 foot ...
*Saturday, November 29, 2014 at 2:59pm*

**geometry**

which propery of a rigid transformation is exclusive to a ratio?
*Saturday, November 29, 2014 at 12:38pm*

**Geometry**

Diagonals of quadrilateral ABCD intersect at O.If area of triangle ACB is 5 sq.units,area of triangle BCD is 9 sq.units,area of triangle CDA is 10 sq.units and area of triangle DAB is 6 sq.units,Find area of triangle AOB. Im begging you! pls I badly need an answer!! can you ...
*Saturday, November 29, 2014 at 5:32am*

**geometry**

Equilateral triangle ABC and isosceles triangle DBC share side BC. If angle BDC= 34 and BD=BC, what is the measure of angle ABD? I don't know how to solve this questions, can someone guide me through?
*Wednesday, November 26, 2014 at 7:21pm*

**Geometry**

Equilateral triangle ABC and isosceles triangle DBC share side BC. If angle BDC= 34 and BD=BC, what is the measure of angle ABD? I don't know how to solve this questions, can someone guide me through?
*Wednesday, November 26, 2014 at 6:30pm*

**Coordinate Geometry (Algebra 1)**

Line segment RS is perpendicular to line segment PQ, and the coordinates are R(4, -5), S(-8, 4), P(0, 6), and Q(-3, y). What is the value of y?
*Wednesday, November 26, 2014 at 1:07pm*

**Geometry**

The instructions say, "The measure of an exterior angle of a regular polygon is given. Find the measure of an interior angle. Then find the number of sides. For another problem just like this, they gave the number 18 and I subtracted 18 from 180 and solved it like this, ...
*Tuesday, November 25, 2014 at 6:16pm*

**Geometry**

Kuya John is balancing a triangular tile using a monopod. Where will he put the triangular tile on the monopod so that the tile is in the most stable position? Explain and justify.
*Tuesday, November 25, 2014 at 1:16am*

**Geometry **

HELP PLEASE! This is for Connections Academy. Lesson 8, Unit 5: Triangles Unit Test What is the range of possible values for x? The diagram is not to scale.
*Sunday, November 23, 2014 at 6:19pm*

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