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geometry

Homework Help: Math: Geometry

Recent Homework Questions About Geometry

Post a New Question | Current Questions

geometry
Set up a proportion to solve for RT using the scale factor 3:1, and use it to find the length of RT.
Tuesday, June 30, 2009 at 1:37pm

geometry
You have looked at it two times before. There are 30 questions worth 30 points. Part 1 Multiple Choice: Select the best answer from the choices provided. (Each question is worth one point) 1. Determine how many wheels are turning clockwise. 1 2 none 2. Determine how many wheel...
Tuesday, June 23, 2009 at 11:10am

geometry
how can we prove that an exterior angle of a triangle has measure equal to the sum of the measures of the 2 interior angles remote from it
Monday, June 22, 2009 at 2:43pm

geometry
prove triangular inequality: if P,Q, and R are not collinear, then PQ + QR is greater than PR.
Thursday, June 11, 2009 at 12:41pm

Geometry
What is the hypothesis of the statement below? If two triangles are isosceles right triangles,then they are similar.
Wednesday, June 3, 2009 at 10:49pm

Geometry
I have a circle with a Tangent line, DE, running along it and connecting with another line, FC, which runs through the center of the circle to the other side.I have connected the center of the circle with point E on the edge of the circle with a radius. I have labeled the cent...
Wednesday, June 3, 2009 at 8:49pm

Geometry
I have a circle with a Tangent line, DE, running along it and connecting with another line, FC, which runs through the center of the circle to the other side.I have connected the center of the circle with point E on the edge of the circle with a radius. I have labeled the cent...
Wednesday, June 3, 2009 at 8:42pm

Geometry
I have a circle with 2 lines that are connected and tangent to the circle. The lines are CA and CB angle ACB is 50 degrees. Arc AB inside of the tangent lines is X degrees find X
Wednesday, June 3, 2009 at 8:07pm

Chemistry 101
Describe the molecular geometry around the carbon and oxygen atoms in oxalic acid. Make sure you include the bond angles.
Monday, June 1, 2009 at 5:38pm

geometry
What is the formula for the area of a rhombus
Wednesday, May 27, 2009 at 8:07pm

Geometry
Hi, one Professor gave me a very hard question, He has a little Disk (used in machines) that has a big hole in the middle, he measured the thickness every 90°, and he got the following measurements: 0.95 mm 1.02 mm 1.02 mm 0.96 mm He tells me that with 3 of these measurements,...
Wednesday, May 27, 2009 at 8:04am

Geometry
Hi, one Professor gave me a very hard question, He has a little Disk (used in machines) that has a big hole in the middle, he measured the thickness every 90°, and he got the following measurements: 0.95 mm 1.02 mm 1.02 mm 0.96 mm He tells me that with 3 of these measurements,...
Tuesday, May 26, 2009 at 5:42pm

9th grade classes
I'm choosing which classes I want to take for freshman year but I'm not sure what I need to take. Right now I've only decided on Geometry and English 1. What science do I take for 9th grade? I'm looking for the easiest courses available. Thanks -MC
Tuesday, May 26, 2009 at 1:42pm

Geometry (Urgent)
Hi, one Professor gave me a very hard question, He has a little Disk (used in machines) that has a big hole in the middle, he measured the thickness every 90°, and he got the following measurements: 0.95 mm 1.02 mm 1.02 mm 0.96 mm He tells me that with 3 of these measurements,...
Tuesday, May 26, 2009 at 12:13pm

math b
the vertices of triangle ABC are A(-2,3), B(0,-3), and C(4,1). prove, by means of coordinate geometry, that the median to side BC is also the altitude to side BC.
Monday, May 25, 2009 at 1:44pm

math geometry
if the diagonals of a parallelogram are equal then the parallelogram is also what type of figure?
Wednesday, May 20, 2009 at 3:39pm

Geometry....
the triangle is named ACB and E is the intersection of AT which bisects CB, BR which bisects AC and CS which bisects AB. CS, RB, and AT are all medians. ES, RE and ET equal 3x. I can't figure this out at all. Please explain. Thanks
Monday, May 18, 2009 at 7:33pm

math geometry
in what type of trapezoid are the base angles congruent?
Monday, May 18, 2009 at 7:21pm

geometry
A regular polygon has 12 sides. What is the measure of each EXTERIOR angle?
Sunday, May 17, 2009 at 12:01am

geometry
how many degrees are in a pentagon?
Saturday, May 16, 2009 at 10:51pm

Geometry
Solve for x. x(x+3)=2^2 I think I'm doing this all wrong. Here is the work I've done so far: x^2+3x=4 x^2+3x-4=0 ...now what? i started trying to use the equation x=-b sqrt of (b^2-4ac) but I'm just getting confused...
Saturday, May 16, 2009 at 8:05pm

Geometry
Solve for x. x(x+3)=2^2 I think I'm doing this all wrong. Here is the work I've done so far: x^2+3x=4 x^2+3x-4=0 ...now what? i started trying to use the equation x=-b sqrt of (b^2-4ac) but I'm just getting confused...
Saturday, May 16, 2009 at 7:56pm

geometry
how do I prove that 3,3,5 could represent the lengths of a triangle?
Saturday, May 16, 2009 at 7:07pm

Chemistry
. . S H H B: What kind of three-dimensional geometry would this molecule have? C: Would this molecule be polar or nonpolar? Explain your answer. - B: “Triangular Planar”. C: I've tried to answer this question. I know a polar bond is when the electronegativities of the atoms di...
Wednesday, May 13, 2009 at 10:36am

Geometry
In the diagram below of right triangle ACB, altitude CD intersects AB at D. If AD=3 and DB=4, find the length of CD in simplest radical form. How do I go about figuring out this problem? Please help. thanks
Tuesday, May 12, 2009 at 10:04pm

Geometry
In the diagram below of right triangle ACB, altitude CD intersects AB at D. If AD=3 and DB=4, find the length of CD in simplest radical form. How do I go about figuring out this problem? Please help. thanks
Tuesday, May 12, 2009 at 5:19pm

Geometry
If the perimeter of a triangle is 12, which of the following could be the length of one side of the triangle? a. 8 b. 7 c. 6 d. 5 Would the correct answer be d. 5? And how do you go about answering this type of question? I just guessed; I figured it was the smallest number.. a...
Sunday, May 10, 2009 at 6:50pm

geometry
solve the system of equations: 3x + 2y = 17 2x - y = 9
Sunday, May 10, 2009 at 1:25pm

Algebra 2
Well I'm curently taking this class as a sophmore and have taken geometry freshmen year of high school and also I am taking physics at the same time and in math class when I'm asked to factor i go absolutley nuts because guessing numbers is just no my thing... I need solve for...
Friday, May 8, 2009 at 7:51pm

geometry hs
if the diameter of a spherical ball is doubled,by what factor does its surface area increase?
Thursday, May 7, 2009 at 9:19am

geometry
what is the area of a square with a radius of 9? I think the answer is 18 square or 324 Thank you
Wednesday, May 6, 2009 at 9:41pm

differential geometry
given a circle in S^2 with radius p in the spherical metric, show its area is 2pi(1-cos p)
Monday, May 4, 2009 at 11:58pm

geometry
how can you justify a shape
Monday, May 4, 2009 at 7:36pm

Geometry
What results from the composition of reflections in two parallel lines? a. glide reflection b. dilation c. rotation d. translation Would the correct answer be d. translation?
Thursday, April 30, 2009 at 7:27pm

Geometry
Which describes the compositions of 3 reflections in three distinct lines, two of which are parallel? a. dilation b. rotation c. glide reflection d. translation Is the correct answer c. glide reflection?
Thursday, April 30, 2009 at 7:26pm

senior courses
So far in high school i have taken geometry, algebra 2, and trigonometry. one of my friends is taking calculus and she says its way too difficult. and since i have alot of trouble in algebra and trig myself i dont think calculus would be the right choice for me next year. what...
Tuesday, April 28, 2009 at 10:05pm

geometry
how do i find the probability that a point in a figue lies in the shaded region, when the figure is a circle with an inscribed square? the circle has a radius of 2 and is also the shaded region the square has a radius of the square root of two.
Tuesday, April 28, 2009 at 2:57pm

geometry
ABCD is a quadrilateral with center O. AO=8, BO=11, CO=8, and DO=11. Is ABCD a parallelogram? Explain you reasoning.
Monday, April 27, 2009 at 5:56pm

Geometry repost
"yes, except 20/36 / 21/x x= 189/5 = 37.8 seems to have a typo, no original equation" There was a typo, it should have been: 20/36 = 21/x x= 189/5 = 37.8 So is this correct?
Sunday, April 26, 2009 at 6:29pm

geometry
If the area of Triangle T, sides 5,12, and 13 equals the area of rectangle R, width 3, then what is the perimeter of rectangle R?
Sunday, April 26, 2009 at 5:20pm

Geometry
Solve for x 5/3 / 4/3 = x / 20/9 x= 25/9 =2.77777.... 5/4 = x/3 x= 15/4 = 3.75 20/36 / 21/x x= 189/5 = 37.8 x/6 = x+1 / 9 x= 2 Tell whether the lines are parallel based on the given proportions (I think they are supposed to come out equal in order for the lines to be parallel)...
Sunday, April 26, 2009 at 3:40pm

geometry
Find the area of a rectangle that has a diagnol of 13 cm and a height of 5 cm.
Sunday, April 26, 2009 at 9:54am

Geometry
Solve for x x/6 = x+1 / 9 x= 2 Tell whether the lines are parallel based on the given proportions (I think they are supposed to come out equal in order for the lines to be parallel) 16/4 = 8/2 32=32 yes, the lines are parallel 10/4 = 12.5 / 5 50 does not equal 5.1, therefore n...
Friday, April 24, 2009 at 5:28pm

Geometry
Find the values of the variable x in the following proportions 5/3 / 4/3 = x / 20/9 x= 25/9 =2.77777.... 5/4 = x/3 x= 15/4 = 3.75 20/36 / 21/x x= 189/5 = 37.8 Are my answers correct?
Friday, April 24, 2009 at 5:10pm

Geometry
Find the value of the variable x in the following proportions 6/x = 9/8 x=48/9=5.333333... 5/5 = 4/x x=4 1/2 = 2/x x=4 x/10 = 10/8 x=12.5 Are my answers correct?
Friday, April 24, 2009 at 4:51pm

geometry
A grain storage tank is in the shape of a cylinder covered by half a sphere. The height of the cylinder is 50 feet and its diameter is 80 feet. find the total surface area (including the base) and volume of the tank.
Tuesday, April 21, 2009 at 3:28pm

geometry
The limestone blocks from which an ancient pyramid was made weigh about 2 tons per cubic yard. Find the approximate weight of the pyramid having a square base of length 250 yards and a height of 150 yards.
Tuesday, April 21, 2009 at 3:26pm

Math-Geometry
Solve for X using the side-splitting theorem for a triangle: upper left= 6x-10, upper right= 5x, lower left= 4x+8, lower right=4x
Sunday, April 19, 2009 at 9:17pm

Geometry
Stage #of triangles 1 1 2 3 3 6 4 10 How many Traingles will the nTH stage contain? F.2^n-1 G.n^2+n/2 H.2n-1 J.n^2+2/2
Sunday, April 19, 2009 at 8:13pm

geometry
how do u do statements and reasons
Sunday, April 19, 2009 at 3:04pm

geometry
can someone help me woth solving special segments in a circle?
Tuesday, April 14, 2009 at 4:16pm

geometry
Given: ABCD is a rectangle, diagnoals AC and BD intersect at E Prove: Triangle AEB is isosceles
Monday, April 13, 2009 at 9:53am

math
can i get a link containing a list of the theorems and postulates of a 2 column geometry proof?
Sunday, April 12, 2009 at 2:00pm

geometry
The area of an ellipse in the form (x*x/a*a)+(y*y)/(b*b)=1 is A=3.14*ab. For this ellipse, a+b=20. a. write the area of the ellipse as a function of a. b. Find the equation of the ellipse with an area of 264 square centimeters. c. Complete the table and make a conjecture about...
Friday, April 10, 2009 at 7:22pm

geometry
ok i dont understand the whole sine cosine and tangent its confusing and i hate it
Tuesday, April 7, 2009 at 1:55pm

geometry
in parallelogram abcd, diagonals ac and bd intersect at e. AE=3x-4, and EC=x+12. what is the value of x? i believe that x=8. i set them as equal and i minus x from 3x and 4 from 12. is this right?
Monday, April 6, 2009 at 7:18pm

4th grade
Geometry, Isoseles right triangle. Line segments MN and NO are ----? A. parallel lines, B. opposite angles, C. perpendicular lines, D. obtuse angles. I can't see that any of these are the answer to the question. Can you help me?
Monday, April 6, 2009 at 6:02pm

Geometry
Business and finance. The following scores were recorded on a 200-point final examination: 193, 185, 163, 186, 192, 135, 158, 174, 188, 172, 168, 183, 195, 165, 183. (a) Find the mean final examination score. (b) Find the median final examination score. (c) Is the mean or medi...
Saturday, April 4, 2009 at 2:55pm

geometry
A ladder leaning against a vertical wall makes a angle of 75degree with the ground. If the foot of the ladder is 4 feet from the base of the wall, would this ladder be long enough for you to retrieve the suction dart that your friend stuck 17ft up the wall?
Thursday, April 2, 2009 at 2:02pm

geometry
is it possible for two boxes to have the same volume, but different surface area's? give examples to prove your point. please help, cannot think of anything. THANKS =]
Wednesday, April 1, 2009 at 6:53pm

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