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December 22, 2014

Homework Help: Math: Geometry

Recent Homework Questions About Geometry

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Geometry
I have two questions... #1 if the radius of the two areas is 12in find the length of a chord of an arc of 45, 35, and 60 degrees. #2 the bases of a trapezoid are 30in and 9in and the nonparallel sides are 10in and 17in. Find the area.
Tuesday, February 12, 2013 at 5:53pm

Geometry
I have two questions... #1 if the radius of the two areas is 12in find the length of a chord of an arc of 45, 35, and 60 degrees. #2 the bases of a trapezoid are 30in and 9in and the nonparallel sides are 10in and 17in. Find the area.
Tuesday, February 12, 2013 at 5:52pm

Math-Geometry
I have to calcualte the volume of a cone. The height is 2.1 ft, and the base is 2 inches. I keep coming up with the answer of 8.792 cu ft. There is 4 choice answers given: 0.061 ft,0.610 ft,6.125 ft and 2.016 ft. I have tried several calculators, none of these answers are ...
Tuesday, February 12, 2013 at 2:15pm

geometry!!!!!!
ABC is an isosceles triangle with AB = BC. The circumcircle of ABC has radius 8. Given further that AC is a diameter of the circumcircle, what is the area of triangle ABC?
Tuesday, February 12, 2013 at 12:03pm

geometry!!!!!!!!!!
Three circles, each with a radius of 10, are mutually tangent to each other. The area enclosed by the three circles can be written as ab√−cπ, where a, b and c are positive integers, and b is not divisible by a square of a prime. What is the value of a+b+c?
Tuesday, February 12, 2013 at 11:45am

geometry
The angle of depression from the top of a lighthouse to a boat in the water is 30°. If the lighthouse is 89 feet tall how far is the boat from the lighthouse to the nearest foot? Answers available in ... 10Take this time to do your best on this question. A) 45 feet ...
Tuesday, February 12, 2013 at 10:48am

Geometry...
The angle of elevation of the sun at 10:00 a.m. is 29 degree. At this point, a tree shadow's is 32 feet long. How tall is the tree? IS THE ANSWER 15.5 FT?
Monday, February 11, 2013 at 9:57pm

geometry
A rectangle has length and width in the ratio of 5:9. If the perimeter is 280, what is the length of the rectangle?
Monday, February 11, 2013 at 4:45pm

geometry
Let O be the center of the circle Γ, and P be a point outside of circle Γ. PA is tangential to Γ at A, and PO intersects Γ at D. If PD=14 and PA=42, what is the radius of Γ.
Monday, February 11, 2013 at 10:53am

geometry
In the English alphabet, there are 7 capital letters that look the same after being rotated 180∘. Those letters are H, I, N, O, S, X, and Z. How many different 3 letter "words" can be made from these letters such that when the word is rotated 180∘, the ...
Monday, February 11, 2013 at 10:39am

Analytic Geometry
A parabola has a directrix y=-3, axis =4 and latus rectum equal to 2. find its equation. Please help me its for my homework
Monday, February 11, 2013 at 6:38am

Analytic Geometry
Find the equation of the parabola through (-15/4 ,2) and (0,-1) whose axis is parallel to the x-axis and the latus rectum equal to 4
Monday, February 11, 2013 at 6:03am

geometry
ABCD is a rectangle. On line segment AB, E is a point such that ∠ADE=17∘ and ∠BCE=29∘. What is the measure of ∠DEC (in degrees)?
Monday, February 11, 2013 at 1:26am

geometry
A semicircle has AB as the endpoints of its diameter, and AB=80. Points C and D are on the circumference of the semicircle such that AD=BC=40. What is the length of DC?
Monday, February 11, 2013 at 1:24am

geometry
Three circles, each with a radius of 10, are mutually tangent to each other. The area enclosed by the three circles can be written as ab√−cπ, where a, b and c are positive integers, and b is not divisible by a square of a prime. What is the value of a+b+c?
Monday, February 11, 2013 at 1:24am

geometry
Missy and Mussy are very messy sisters. Their dresser drawer consists of 43 white socks, 2 black socks, 23 blue socks and 8 red socks. What is the minimum number of socks they must remove from the drawer to be certain they have four socks of the same color?
Monday, February 11, 2013 at 1:23am

geometry
Missy and Mussy are very messy sisters. Their dresser drawer consists of 43 white socks, 2 black socks, 23 blue socks and 8 red socks. What is the minimum number of socks they must remove from the drawer to be certain they have four socks of the same color?
Monday, February 11, 2013 at 1:23am

Math
How could I find the volume of a bowling pin using geometry and or calculus?
Monday, February 11, 2013 at 1:15am

geometry
cuts across on diagnal saves 1/3 distance of longer side what ratio of short to long side
Sunday, February 10, 2013 at 8:22pm

Geometry
Why is this statement NOT always true?: The longer diagonal of the rhombus is perpendicular to two sides of the rhombus.
Sunday, February 10, 2013 at 7:54pm

Geometry
URGENT PLEASE HELP please help me understand how to draw a net, am i supposed to memorize these or is there a method for drawing nets for different shapes.
Sunday, February 10, 2013 at 7:51pm

geometry
the diagonals of a rectangle are 8 units long and intersect at a 60 degree angle. find the dimensions of the rectangle
Saturday, February 9, 2013 at 3:15pm

Geometry
What is another way to figure out the area of a complex figure?
Saturday, February 9, 2013 at 8:43am

geometry
a poster art exhibition is to display a square picture with a white border around it. The border must be 10 in. wide at the bottom, 5 in. wide at the top, and 3 in. wide on each side. Using x to represent the length of a side of the picture. A) Write a variable expression for ...
Friday, February 8, 2013 at 11:20pm

geometry
Circle A has radius 6. Circle B has radius 10. They cross at two points that are 5 apart. What is the overlapping area?
Friday, February 8, 2013 at 9:21am

geometry
Name the diameter, radius, center, and the equation of the circle with a diameter that has endpoints at (-3, 4) and (5, -2).
Thursday, February 7, 2013 at 12:06pm

geometry
a rectangle PQRS inscribed in a quadrant of circle of radius 13cm. find area of rectangle.
Thursday, February 7, 2013 at 5:40am

geometry
if hieght 10 cm and radious =7cm of cone then what is the total surface area.
Thursday, February 7, 2013 at 2:05am

geometry
in a triangle D =h+4, area of triangle is 120 sq .cm . then find the base and height of triangle
Thursday, February 7, 2013 at 2:01am

geometry
How many signals does a polygon with 32 sides have?
Wednesday, February 6, 2013 at 10:48pm

geometry
construct a right angled triangle whose perimeter is 10cm and one acute angle is equal to 60?
Wednesday, February 6, 2013 at 10:06pm

Geometry and Measurement
Anna builds a rectangular prism storage container with dimensions of 8 inches by 6 inches by 12 inches. She builds a second container with a greater volume by increasing the dimensions of the rectangular prism to 16 inches by 12 inches by 24 inches. How will the volume of the ...
Wednesday, February 6, 2013 at 4:32pm

Geometry and Measurement
If a can of ravioli with a diameter of 2 inches and a height of 4.5 inches holds 12 ounces of ravioli, how many ounces of ravioli would a can with the same height, but double the diameter, hold?
Wednesday, February 6, 2013 at 4:30pm

geometry and measurement
A pool designed for lap swimming is rectangular in shape with a uniform depth of 4.5 feet. If the pool is enlarged so that it holds twice as much water, which of the following statements could be true?
Wednesday, February 6, 2013 at 4:29pm

geometry
If you cut a 3.4 - inch square out of each corner of a piece of paper with dimensions 13 - by - 38.5 inches and fold it into a box, what is the volume of the container?
Wednesday, February 6, 2013 at 11:37am

geometry
Two similar polygons have areas of 50 and 100 sq. in. Find the ratio of the length of a pair of corresponding sides.
Tuesday, February 5, 2013 at 1:44pm

geometry
20+90*955
Tuesday, February 5, 2013 at 8:00am

geometry
using the diagram where there is <CBD< DAC<ABC<EBA<ACB and D and C equal 45 degrees and B equals 90 degrees what is the measurement for <DAC and < ABC and <EBA and <ACB
Monday, February 4, 2013 at 7:28pm

geometry
a playground is 50 yd by 50 yd. amy walked across the playground from one corner to the opposite corner. how far did she walk.
Monday, February 4, 2013 at 6:39pm

geometry
The square of an integer never hasa last digit equal to:a.1 b.4 c.5 d.8 e.9
Monday, February 4, 2013 at 2:20pm

geometry
The measures of two consecutive angles of a parallelogram are in the ratio 5:4. What is the measure of an acute angle of the parallelogram?
Sunday, February 3, 2013 at 7:36pm

geometry
A point is moving in a plane in such a way that its distance from the point(3,0)is 1.5 times its distance from the straight line 3x-4=0.find the louces of the point and identify the conic.
Sunday, February 3, 2013 at 1:16pm

geometry
Triangle ABC and triangle XYZ are similar. If AB, BC, and AC are 7 inches, 9 inches, and 10 inches respectively, and XY is 9 inches, find XZ to the nearest tenth of an inch.
Sunday, February 3, 2013 at 12:08pm

geometry
The circle x^2 y^2 2gx 2fy c=0 passes through the points A(-1,-2),B(1,2)and C(2,3). Write down three equation which must satisfied g,f,c.
Sunday, February 3, 2013 at 8:46am

PLEASE HELP TANGENTS AND CIRCLES PROBLEM GEOMETRY
PLEASE HELP I REALLY NEED HELP. Each of the three circles in the figure below is externally tangent to the other two, and each side of the triangle is tangent to two of the circles. If each circle has radius three, then find the perimeter of the triangle. The figure is ...
Saturday, February 2, 2013 at 3:44pm

Geometry-8th gr
Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.
Friday, February 1, 2013 at 5:48pm

Geometry
Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.
Friday, February 1, 2013 at 5:30pm

geometry
AB and AD are tangents of the circle with the center at C. The measure of BDC = 45o, and the circle has a diameter of 4. Which is the length of AB?
Friday, February 1, 2013 at 2:30pm

Geometry-8th gr
The perimeter of triangle ABC is 120. LIne segment BD bisects <B. Line segment AD= 15, and line segment DC= 21. FInd AB and BC. Thanks.
Friday, February 1, 2013 at 12:12pm

Geometry -8th gr
Given: triangle ABC ~ triangle PQR, m<A = 75 degrees, m<P = (5x + 7y) degrees, m<R = (3x + 4y) degrees, and m<B =( 2x + 9y) degrees. FInd m<R. Thanks
Friday, February 1, 2013 at 12:11pm

Geometry-8th gr
Can you please help me solve this question? Express the ratio x^2 + 4x -12/ x^2 - 4 in simplest form. Thanks.
Friday, February 1, 2013 at 12:09pm

Geometry
THE VOLUME OF AN OBLIQUE CONE WITH EQUAL DIAMETER AND HEIGHT IS 18*3.14CM^3. FIND THE HEIGHT AND RADIUS (TO THE NEAREST CM). PLEASE HELP THIS IS MY LAST TEST AND I GRADUATE!!! THANKS SO MUCH!!
Thursday, January 31, 2013 at 11:56pm

Geometry-8th gr
Can you please help me with this question? 1.) Given: triangle ABC ~ triangle XYZ, m<A= 50 degrees, m<X= (2x +5y) degrees, m>Z=( 55 + y) degrees, and that m<B=(102-x) degrees. Find m<Z. Thanks.
Thursday, January 31, 2013 at 6:54pm

Geometry-8th gr
The geometric mean x of two numbers is the positive value of x that satisfies the proportion a/x =x/b, where a and b are given. Find the geometric mean of 16 and 9.
Thursday, January 31, 2013 at 6:48pm

Geometry-8th gr
IF 3a =2b and 4b=9c, find the ratio of a to c in simplest form and show steps.
Thursday, January 31, 2013 at 6:46pm

Analytic Geometry
What is the equation of the circle touching the lines x-3y-11=0 and 3x-y-9=0 having its center on the line x+2y+19=0
Thursday, January 31, 2013 at 2:32pm

Analytic Geometry
What is the equation of the circle touching the lines x-3y-11=0 and 3x-y-9=0 having its center on the line x+2y+19=0
Thursday, January 31, 2013 at 2:32pm

Geometry-yes or no
10/4=18/x would you cross multiply then divide to solve this proportion?
Thursday, January 31, 2013 at 9:39am

Analytic Geometry
Find the equation of the circle, with radius 1, tangent to the line 3x+4y=5 and having its center on the line x+2y=0
Thursday, January 31, 2013 at 8:39am

Analytic Geometry
Find the equation of the circle touching the lines x+2y=4, x+2y=2 and y=2x-5 Please I need help, its for my homework
Thursday, January 31, 2013 at 8:07am

geometry
Papa's Pizza charges $0.05 per square inch of pizza. Pizza is measured by the diameter. How much will pap's Pizza charge for a 7-inch, 10-inch, and 14-inch pizza? From your results, do you think this is how the p rice of pizza is determined? Explain.
Wednesday, January 30, 2013 at 8:47pm

Geometry
The points A,B,C,D have coordinates (3,3) (8,0) (-1,1) (-6,4) respectively. Find the coordinates of the point of intersection of the diagonals AC and BD? Help plZ!!!
Wednesday, January 30, 2013 at 7:51pm

Geometry
You are given the cordinates of the four points A (6,2), B(2.4), C (-6, -2) and D (-2,-4). Show that the equation of the line DA is 4y-3x = -10 help please!!
Wednesday, January 30, 2013 at 6:25pm

geometry
a ladder is placed next to a building to get to the top. the bottom of the ladder is placed 7 feet away from the building at an angle of 56 degrees.how tall is the building?
Tuesday, January 29, 2013 at 11:00pm

geometry
are the triangles similar? if so,state the similarity and the postulate or theorem that justifies your answer.
Tuesday, January 29, 2013 at 10:43pm

Analytic Geometry
Find the equation of the circle with radius sqrt2 tangent to the line x+y=3 and having its center on the line y=4x
Tuesday, January 29, 2013 at 10:34pm

analytic geometry
The (x,y) is equidistant from (0,0) and (4,-2). Find its algebraic equation.
Tuesday, January 29, 2013 at 9:56pm

geometry
Angle BAC equals 1/2 angle ACB; what is angle DAB?
Tuesday, January 29, 2013 at 9:22pm

AP Chem
The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively. The answer is trigonal bipyramidal, T-shaped, respectively- I do not understand the approach PLEASE EXPLAIN HOW YOU GOT THE ANSWER!!!
Tuesday, January 29, 2013 at 8:45pm

Geometry
Given a quadrilateral having coordinates A(6,8), B(12,4), C(6,0) and D(4,0), first graph the quadrilateral on graph paper and connect the vertices. Shade in the quadrilateral and then reflect it across the x-axis. Do NOT shade in the resulting image. Now reflect this new image...
Tuesday, January 29, 2013 at 8:38pm

AP Chem please help!
The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively. The answer is trigonal bipyramidal, T-shaped, respectively- I do not understand the approach
Tuesday, January 29, 2013 at 7:58pm

AP Chemistry- PLEASE HELP
The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively.
Tuesday, January 29, 2013 at 7:12pm

geometry
The verticles of triangles BAD are B(1,3) A(7,5) and D (9.-3). If E is the midpoint of segment BA and F is the midpoint of segement AD show that a. segement EF is parallel to BD b. Ef = 1/2BD
Tuesday, January 29, 2013 at 7:05pm

Geometry
ABCD is a parallelogram. Segment AC = 4x + 10. Find the value of x and y.
Tuesday, January 29, 2013 at 2:58pm

geometry
The figure shows a partially completed set of steps to construct figure PQRS. The next step is to construct side RS of the figure so that side RS is congruent to side PQ and angle PQR is congruent to angle SRN. The chart shows the steps each of the four students took to draw ...
Tuesday, January 29, 2013 at 2:51pm

geometry
parallelogram ABCD has vertices A(8,2),B(6,-4),And C(-5,-4).find the coordinates of D.
Tuesday, January 29, 2013 at 1:33pm

Geometry; Check
Measuring segments: 8. Line AB ; A= -8 B= -6 Answer: Line AB=2 9. Line BD ; B= -6 D=-3 Answer: Line BD= 9 10. Line AD ; A= -8 D= -3 Answer: Line AD= 11 11. Line CE ; C= 1 E= 7 Answer: Line CE=6
Tuesday, January 29, 2013 at 1:02pm

geometry
sodium has a body-centered cubic structure with a unit cell that is 430 picometers wide. estimate the radius of a sodium atom. please help me, I don't know how to get the solution. THank you
Monday, January 28, 2013 at 5:41pm

Analytic Geometry
Find the equation of a circle passing through (-1,6) and tangent to the lines x-2y+8=0 and 2x+y+6=0. Please I really need your help. I just do not know what to do.
Monday, January 28, 2013 at 3:26am

Geometry
A tree casts a shadow that is 70 feet long. At the same time a person is standing nearby who is 5 feet 6 inches tall and their shadpw os 60 inches long. What is the proportion and what is the height of the tree?
Sunday, January 27, 2013 at 12:36pm

geometry
if measure of angle SUT=3x+6 and measure of angle RUS=5x-4, find measure of angle SUT
Sunday, January 27, 2013 at 11:39am

Analytic Geometry
Find the equation of a circle passing through (3,7) and tangent to the line x-3y+8=0. Please, How do I solve this? Help me
Saturday, January 26, 2013 at 11:33pm

Analytic Geometry
Find the equation of a circle passing through (3,7) and tangent to the line x-3y+8=0. Please, How do I solve this? Help me
Saturday, January 26, 2013 at 10:27pm

Analytic Geometry
Find the equation of a circle passing through (3,7) and tangent to the lines x-3y+8=0 and y=3x. Please Help me solve this. Explain it to me slowly cause I am not really good with this
Saturday, January 26, 2013 at 9:24am

Geometry
If you go to Eden a math tuition you will have the diagram for this question but if you do not there will be ... LET ME JUST GET TO THE QUESTION Question: what is the measure of MQ in the diagram shown?
Friday, January 25, 2013 at 2:15pm

Geometry- Steve
Hey Steve, in the proportion 9/x=15/25 would you cross multiply 9 and 25 and x and 15???
Friday, January 25, 2013 at 10:42am

Geometry-Solve for x
ok so I have to solve for x in this problem. and I have tried and tried to figure it out but I cant. 12(4x-2)=9(3x+2) I distributed them but after that when I try to simplify im lost. can someone please help???
Friday, January 25, 2013 at 10:25am

Analytic Geometry
Find the equation of a circle passing through (3,7) and tangent to the lines x-3y+8=0 and y=3x. Please help me
Friday, January 25, 2013 at 9:36am

geometry
how to rationalize the denominator
Friday, January 25, 2013 at 9:16am

Analytic Geometry
Find the equation of a circle passing through (3,7) and tangent to the line x-3y+8=0
Friday, January 25, 2013 at 9:13am

Analytic Geometry
Find the equation of a circle passing through and tangent to the line x-3y+8=0
Friday, January 25, 2013 at 8:24am

geometry
Two observers are 200 feet apart,in line with a tree containing a birds nest.The anles of elevation to the birds nest are 30 degrees and 60 degrees.How far is each observer from the base of the tree? Please help me my assigment is due tommorrow!!!!!
Thursday, January 24, 2013 at 7:07pm

geometry
Suppose the cordinate of P is 2, PQ = 8, and PR = 12. What are the possible cordinates of the midpoint of the given segment? PQ PR QR
Wednesday, January 23, 2013 at 10:45pm

Geometry
What is a Pythagorean theorem ?
Wednesday, January 23, 2013 at 9:20pm

geometry
which side of triangle DEF corresponds to:
Wednesday, January 23, 2013 at 8:31pm

set (math)
A class of 47 students took examination in algebra and geometry. If 29 passed algebra and 26 passed geometry and 4 failed in both subjects, how many passed both subjects? With solution please, tnx...
Wednesday, January 23, 2013 at 7:25am

geometry
give the following determine the set (A'U'B)n(AUB)' U ={1,2,3,4,5,6,7,8} A={1,2,3,7,8} B={1,3,4,6}
Tuesday, January 22, 2013 at 6:23pm

geometry
A drug company is testing new toothpaste in 2 flavors, regular and cinnamon. In a sample of 193 people, 121 liked regular, 112 people liked cinnamon, and 46 liked both.
Tuesday, January 22, 2013 at 2:47pm

geometry
I need help on a question that wants me to find x and y on a 45-45-90 triangle they only give me one side wich is three.I already solved for x which is three root two over two...Is that right? I don't know how to solve for y... Please someone help me....:(
Tuesday, January 22, 2013 at 12:44am

Analytic Geometry
Give the equation of the circle tangent to both axes of radius 5 and in the 1st quadrant. Can you help me solve this?
Monday, January 21, 2013 at 5:31pm

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