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November 27, 2014

Homework Help: Math: Geometry

Recent Homework Questions About Geometry

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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

Analytic Geometry
What are the equations of the circles tangent to the x-axis, of radius 4 and whose center is at (-2,y) Please help, how do I solve this problem?
Monday, January 21, 2013 at 4:40am

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....:(
Sunday, January 20, 2013 at 4:32pm

geometry
A survey of 500 showed the following 15 had only camping 20 had only hiking trails 35 had only picnicking 185 had camping 140 had camping and hiking trails 125 had camping and picnicking 210 had hiking trails Determine the number of parks that had at least one of the features
Saturday, January 19, 2013 at 7:14pm

World history; Check:P
City States: 1,How does an empire differ from a city-state? A city-state is an independent country whose territory consists of a city which is not administered as part of another local government. An empire is a geographically extensive group of states and peoples united and ...
Friday, January 18, 2013 at 11:42am

Geometry
Just really quick, my friend and I disagree on this problem. I got 1997 and he got 721.033 4. A surveryor is standing on horizontal ground level with the base of a skyscraper. The angle formed by the line segment from his position to the top of the skyscraper is 31 degrees. ...
Thursday, January 17, 2013 at 10:31pm

Geometry
A^2 , b^2 , c^2 represent
Wednesday, January 16, 2013 at 9:17pm

Geometry
A lined napkin,in the shape of a square,has sides 9-inches long.if the napkin is folded along the diagonal,what is the length of the diagonal ?
Wednesday, January 16, 2013 at 8:52pm

Geometry
Sarah wrote the following 3 numbers as an example of a Pythagorean triple.Is she correct?why or why not? 21,25,35
Wednesday, January 16, 2013 at 8:48pm

Geometry
What dose a squared , b squared , c squared represent ?
Wednesday, January 16, 2013 at 8:42pm

Geometry
a cat is stuck 15 feet up in a tree.to get it down,you will place a ladder 5 feet from the base of the tree.how tall must your ladder be in order to reach the cat? Round to the nearest foot
Wednesday, January 16, 2013 at 8:39pm

Geometry honors
the endpoints of AB are a(-3,5) and b(9,15). find the coordinates of the points that divide AB into 4 congruent segments
Wednesday, January 16, 2013 at 6:06pm

Geometry
Is it possible for a cross section of a cube to these shapes.... -pentagon -isosceles triangle -scalene triangle ..... If so, please describe how the plane intersects the cube. Thanks!!!!
Wednesday, January 16, 2013 at 5:20pm

analytical geometry
the axes are rectangular and a point P moves on the fixed plane lx+my+nz=p.the plane through P perpendicular to OP meets the axes in A,B,C parallel to YOZ,ZOX,XOY intersect in Q.show that the locus of Q is p{1/x2+1/y2+1/z2}=l/x+m/y+n/z
Wednesday, January 16, 2013 at 4:58pm

analytical geometry
two edges PQ,RS of a tetrahedron PQRS are perpendicular,show that the distance between the mid-points of PS and QR is equal to the distance between the mid points of PR and QS
Wednesday, January 16, 2013 at 4:58pm

analytical geometry
if (l1,m1,n1),(l2,m2,n2),(l3,m3,n3) are the direction cosines of three mutual perpendicular lines,show that the line whose direction ratios area l1+l2+l3,m1+m2+m3,n1+n2+n3 make equal angles with them
Wednesday, January 16, 2013 at 4:57pm

analytical geometry
show that the locus of a point whose distances from two given planes are in a constant ratio, is a plane.
Wednesday, January 16, 2013 at 4:56pm

analytical geometry
show that the locus of a point whose distances from two given planes are in a constant ratio, is a plane.
Wednesday, January 16, 2013 at 4:56pm

analyytical geometry
find the equation of the planes 5x-3y+4=0 and x+y-2z+10=0 and which are 1 unit distance from the origin.?
Wednesday, January 16, 2013 at 4:55pm

geometry
determine the measure of <1 and <2 using 14x-15 please help
Wednesday, January 16, 2013 at 12:14am

geometry
susan drew a right angle. she drew a ray between the two rays that formeds the right angle. what kind of angle did the new ray form?
Tuesday, January 15, 2013 at 10:24pm

geometry
What is the pattern for a fractal tree?
Tuesday, January 15, 2013 at 9:42pm

geometry
how far up the wall is a 13 ft ladder, if the baseof the ladder is 8 feet away from the wall
Tuesday, January 15, 2013 at 9:29pm

geometry
The Kramer's family room measures 23 feet by 27 feet. They are covering the floor with square tiles that measure 1 foot on a slide and cost $0.98 each. How much will they spend?
Tuesday, January 15, 2013 at 9:10pm

geometry
when two perpendicular lines intersect, do they form four congruent angles?
Tuesday, January 15, 2013 at 6:08pm

geometry
when two perpendicular lines intersect, do they form four congruent angles?
Tuesday, January 15, 2013 at 6:08pm

Proof math problem help? Please help if you can!
Let AB be the diameter of a circle, and let point P be a point on AB. Let CD be a chord parallel to AB. Prove that PA^2 + PB^2 = PC^2 + PD^2 It can be solved using geometry methods (no trig). Anyway, I figured out that PA^2 +PB^2 = 2OP^2 + 2OB^2. However, I cannot find right ...
Tuesday, January 15, 2013 at 6:01pm

Geometry :)
Use coordinate geometry to prove that the quadrilateral formed by connecting the midpoints of a kite is a rectangle. I have no Idea how to do this problem, so if anyone could help I would be very greatfull. :)
Tuesday, January 15, 2013 at 2:14pm

geometry
The image of the point (1, -2) after a rotation of 180° about the origin is
Tuesday, January 15, 2013 at 8:53am

geometry
The image of the point (1, -2) after a rotation of 180° about the origin is
Tuesday, January 15, 2013 at 8:53am

geometry
The image of the point (1, -2) after a rotation of 180° about the origin is
Tuesday, January 15, 2013 at 8:53am

Geometry
The length of the rectangle is 4 more than twice its width and its perimeter is 70m. What are the dimensions of the rectangle?
Tuesday, January 15, 2013 at 8:00am

GEOMETRY
In circle O, the midpoint of GH is point O. AB = 4x - 2 and CD = 2x + 10. Find the value of x.
Tuesday, January 15, 2013 at 3:19am

analytical geometry
two edges PQ,RS of a tetrahedron PQRS are perpendicular,show that the distance between the mid-points of PS and QR is equal to the distance between the mid points of PR and QS
Tuesday, January 15, 2013 at 2:13am

analytical geometry
if (l1,m1,n1),(l2,m2,n2),(l3,m3,n3) are the direction cosines of three mutual perpendicular lines,show that the line whose direction ratios area l1+l2+l3,m1+m2+m3,n1+n2+n3 make equal angles with them
Tuesday, January 15, 2013 at 2:06am

analytical geometry
if in a tetrahedron the sums of the squares of opposite sides are equal,show that its pairs of opposite sides are right angles
Tuesday, January 15, 2013 at 1:55am

Geometry
Assume each side of the hexagon is worth 10 units. Calculate the apothem, using the fact that it is part of a special triangle to get the answer exactly. Then use the exact value of the apothem to calculate the area of the hexagon.
Monday, January 14, 2013 at 11:35pm

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