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Homework Help: Math: Geometry

Recent Homework Questions About Geometry

geometry
In triangle ABC, X and Y are the midpoints of BC and AC, respectively. The perpendicular bisectors of BC and AC intersect at a point O inside the triangle. If angle C = 47 degrees, then find the measure of angle XOY?

Geometry
Find the equations of lines parallel to and perpendicular to the line 3x - 2y = -1 and passing through the point (3, -2)

geometry
Find the standard equation of a circle with the center (-2, 3) and a radius of 4 units.

Geometry
Find the standard equation of a circle with the center (-2, 3) and a radius of 4 units.

Geometry
If the sum of the measures of the interior angles of a n-sided polygon is 1,0800, then set up a mathematical model to find the number of sides of the polygon.

Geometry
Find the standard equation of a circle with the center (0, 2) and a radius of 2 units.

Geometry.
Triangles ABC and DEF are similar. If ∠ABC = 121°and ∠BCA = 35°, find the measure of angle FDE.

Geometry
Find the circumference of a circle with a radius of 6 in. A:6in B:12in C:6 pi in D: 12 pi in

geometry
ABCD it's an isosceles trapazoid With A(10,-1),B(8,3), and C(-1,3).find the coordinates of D

geometry
One endpoint of a line segment is (8, −1). The point (5, −2) is one-third of the way from that endpoint to the other endpoint. Find the other endpoint.

geometry
Name a point that is between 50 and 60 units away from (7,-2) and state the distance between the two points.

Geometry
Find the approximate surface-area-to-volume ratio of a bowling ball with a radius of 5 inches. A. 0.6 B. 0.67 C. 1.67 D. 25

geometry
find the equation of the line that describes all points equidistant from the points (1, 2) and (4, 5).

college geometry
A rectangle ABCD has three of its vertices at A(2, 1), B(6, 1), and C(6, 3). Find the fourth vertex D and the area of rectangle ABCD.

college geometry
M(2.1, 5.7) is the midpoint of , in which A is the point (1.7, 2.3). Find the coordinates of B.

college geometry
Points A and B have symmetry with respect to point C. Find the coordinates of C given the points: a) A(3, 4) and B(5, 1) c) A(5, 3) and B(2, 1) b) A(0, 2) and B(0, 6) d) A(2a, 0) and B(0, 2b)

geometry
the length of a rectangular portrait is 2.5 times the width. the perimeter is 28 feet. what is the length of the portrait

college geometry
Points A and B have symmetry with respect to the origin O. Find the coordinates of B if A is the point: a) (3, 4) c) (a, 0) b) (0, 2) d) (b, c)

college geometry
10. Find the midpoint of the line segment that joins each pair of points: a) (Ϫ3, Ϫ7) and (2, 5) c) (Ϫa, Ϫb) and (a, b) b) (0, 0) and (Ϫ2, 6) d) (2a, 2b) and (2c, 2d)

geometry
The area of a tabletop is 48 square feet. The length is 3 times the width. If the dimensions are whole numbers, what is the width of the tabletop

Trig/Geometry
Wendy spots a pizza delivery car as she is looking down at a 15° angle from the top of her apartment building, which is 145 ft tall. How far away is the car from the base of the building? Round to the nearest hundredth. A. 45.98 ft B. 3.56 ft C. 38.85 ft D. 68.78 ft I keep ...

college geometry
If the distance between (b, 3) and (7, 3) is 3.5 units, find all possible values of b.

Geometry - help please
AB is tangent to circle O at B. The diagram is not drawn to scale. If AB = 6 and AO = 11.7, what is the length of the radius (r)? Round the answer to the nearest tenth. 5.7 8.9 10.0 13.1

Math- 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 ...

geometry
got a parallelogram ABCD = 100 sq in. AC=2 times BD. what is CD and BD? the diagonals AC divided into AE=2x and EC =2x, diagonal BD is divided into BE=x and ED=x. I got x=1. So line AC=2x or 4x? line BD=x or 2x? so, 100 sq in 0divided by 3x or 6x. Or did I goof?

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 ...

Geometry
PR=PS ray RV bisects angle PRS, ray SV BISECTS ANGLE PST prove angle V= 1/2 angle P where angle P = 4x

Chemistry
In 3-4 sentences, identify how the geometric structure of NF3 is different than that of NF4+. Explain how the geometry affects the ability of the molecules to experience a dipole effect. (I did the Lewis diagrams for both but I don't know what to do after that)

geometry
i need to figure out side lengths of congruent right isosceles triangle with no lengths given. I know that the hypotenese is 1 per pythogoras constant and the area is a^2/2. I don't have to prove area just side lengths.

Geometry
What formula should be used to derive the equation of a parabola given its focus and directrix? • The distance formula ?? • The midpoint formula • y = ax2 + bx + c • The area formula for a circle

geometry - PLEASE ANSWER ASAP! thanks!
the sunshine orange juice company wants its product in a one quart container(1 quart=107.75 cubic inches). the manufacturer for their containers makes cylindrical cans that have a base that is 5 inches in diameter. what will be the height of the one quart container? May 20, 2015

math-geometry
the sunshine orange juice company wants its product in a one quart container(1 quart=107.75 cubic inches). the manufacturer for their containers makes cylindrical cans that have a base that is 5 inches in diameter. what will be the height of the one quart container?

geometry
A cone has a volume 320 cm^3. Find the radius of the base. Round your answer ti the nearest 0.1 cm.

Geometry
In a 30,60,90 triangle 1: If b=12, find c 2: If b=3,find a Letter a is on the 90° side, b is on the bottom near 60° and c is near 30°. Could anyone explain how to do this? It's hard to understand from my textbook.

geometry
I have 2 problem that I don't know if I did it right. 1) right triangle with base=12 altitude=c, hypotenuse=d. 71 degrees is opposite 90 degrees. need to find C and d. I did tan 71=d/12. = 12 x 2.9042 = d = 34.85 Do I do the same process to get c? 2) right triangle with ...

Geometry
How do you figure the height of a tripod using 28' legs set 7' out from center?

Geometry
Jaime mixes purple paint. She uses three pints of blue paint for every four pints of red paint. Jaime wants to mix more paint exactly the same color. She has 14 pints of red paint. How much blue paint does she need?

geometry
what is the surface area of a cube with side of 2 inches? what is the volume?

geometry
I need d and e. Have a right triangle. Base=d; hypotenuse=e; altitude= 2sqrt3. < opposite 90 = 60.

geometry
what is the formula for the volume of a cube? and: what is the formula for the surface area of a cube?

geometry
what is the area of the base of a rectangular pyramid with a length of 2.75 inches and a width of 2.75 inches? Also what is the area of a face (lateral) with a length of 2.75 inches and a width of 2.75 inches?

Geometry
If mADC = 7x+3 and mDCB = 5x+9, then mDAB = ?

geometry
how many vertices, edges and faces does a cylinder have? How do you find the perimeter and area of the base? Thank you.

geometry
I have two circles that are congruent to each other one has a lenght of 8ft and the second is half of 8ft. What is the length of the second circle

geometry
2. For the circle with equation (x – 2)2 + (y + 3)2 = 9, answer each question: a) What are the coordinates of the center? none b) What are the radius and diameter of the circle? 360 c) Graph the circle.

geometry
What is the cross section of a cylinder if it's cut perpendicular to the base? It's either a rectangle or a circle but I'm not sure.

Geometry/Math
Two right circular cylinders have equal volume. The first cylinder has a radius of 6 inches and a height of 12 inches. What is the number of inches in the height of the second cylinder if its radius is 8 inches? Express your answer as a common fraction, without units.

Geometry
Cross multiplication 20+x = 6 ----- - x 5 Idk how to solve this with 2 x's

geometry
The side of a triangle opposite the right angle is equal to ______. a. one of the other sides a or b b. a+b c. O(a^2+b^2) d. None of the above

geometry
How many degrees is the apex angle of an isoscles triangle in which each side angle is double its vertex angle?

Geometry
Use the Distance Formula and the x-axis of the coordinate plane. Show why the distance between two points on a number line (the x-axis) is | a – b |, where a and b are the x-coordinates of the points. How would I solve this?

Geometry
For questions 38-40 use the triangle. |\ 45° angles for the top of the | \ triangle and the bottom right | \C | \ 38: If a=12, find b | \ 39: If b=2,find c | \ 40: If c=12,find a -------- B. Is this pythagorean Therorem? When I try it that way it's not working out? Could ...

Geometry
A six-feet tall person wants to know the height of a tree. The person stands 20 feet from the tree and sights to the top of the tree. The angle of the sight line is 30 degrees. How tall is the tree?

Analytic Geometry
Water spouts from a horizontal pipe 12 meters above the ground. Three meters below the line of the pipe, the water trajectory is at a horizontal distance of 5 meters from the water outlet. How far from the water outlet will the stream of the water hit the ground?

Analytic Geometry
A parabolic suspension bridge cable is hung between two supporting towers 120 meters apart and 35 meters above the bridge deck. The lowest point of the cable is 5 meters above the deck. Determine the lengths of the tension members 20 meters and 40 meters from the bridge center.

geometry
Does pi cancel when I add 48ƒÎã2 + 36ƒÎ ?

Geometry
Determine the vertices of rectangle ABCD, where AB = 2BC. a) rectangle ABCD A) (0,0) B) (8,2) C (_,_) D (_,_) So far I just found the midpoint of A and B and got (4,1) but i don't know what to do after that. THe slope is 1/4, so i was thinking of finding the point C with the ...

Geometry
The figure below represents an oval shaped track. the rounded portion of the track are semicircles. If you were to run one lap of this track, how far would you run? Pic: LONG OVAL, THE WHOLE LENGTH IS 106 FT. THERE ARE TWO LINES NEAR THE OPPOSITE ENDS WHICH IS 12 FT LONG. (...

geometry
The altitude of equilateral triangle ABC is 15. What is the length of a side of triangle ABC?

Algebraic Geometry
A 33 kilometer bicycle race course is designed in the shape of a triangle. The first leg of the race is 5 km shorter than the second, and the third leg is twice the first. Find the distance of each leg of the race.

geometry
Hello , my name is Amelia and my daughter is really confused on her homework about quadrilaterals. Can you help explain it to her so that she can understand it better? Please answer ASAP. Thank you Amelia V.

geometry
the track rises 1 foot for every 11 feet run. find the measure of the angle formed by the track and ground level

GEOMETRY
I really need help on this... NA ≅ PA, MO Û NA, RO Û PA, MO = 7 feet what is PO? a.7 ft b.49 ft c.14 ft d.3.5 ft

geometry and measurement
Lila wants to build a fence around her pool. The pool is 25 feet long by 15 feet wide. The fence is to be 10 feet from the edge of the pool. how many feet of fencing will she need?

Geometry
NA ≅ PA, MO Û NA, RO Û PA, MO = 7 feet what is PO? a.7 ft b.49 ft c.14 ft d.3.5 ft Explain?

Analytic Geometry
the segment XY X(-1,2) , Y(4,11) is to be extended to point Z which is 4 itmes the length of XY. Find the coordinates of Z

Geometry
True or False? In an obtuse triangle all the angles are obtuse. I think it's false but I'm not sure.

geometry
EF is a median of trapezoid ABCD. If the length of EF is 14x, and the length of CD is 20x, what is the length of AB in terms of x?

geometry
the Parkers are installing a wooden fence in the back yard they have 330 feet of wood the lip can be no more than 90 feet write and solve equality define the max width of the fence

geometry
The diameter of two similar cones are in the ration 5 to 6. If the volume of the smaller cone is 125 PI cubic centimeters and the diameter of the larger cone is 12 centimeters, what is the height of the larger cone?

geometry
In the xy - plane, line l has equation y= -x. Point P lies on l and has coordinates (-2,2). If l is rotated counterclockwise 45 degrees about the origin, what will be the coordinates of the image of P under this rotation.

Geometry
During the half-time show of a football game, a trumpet player and a tuba player start at the same position on the field. The trumpet player then marches 76.4 ft directly toward the goal line, and the tuba player marches directly toward the sideline. At the end of their march...

Analytic Geometry
write the equation of the line a) parallel to b)perpendicular to 4x+3y-10=0 and is 3 units from the point (2,-1)

Geometry
The front wheel of a child's tricycle has a 10-inch radius and the rear wheels have a 6-inch radius. The pedals are attached to the front wheels by arms that are 7 inches long. How far does a pedal travel when the rear wheels make one revolution?

Geometry
How do I find the area of a regular triangle with a perimeter of 36 cm?

Geometry
What would the volume be if the radius of a sphere is 16m?

Geometry
Find the area of the regular triangle with a perimeter of 36 cm. how do I do this?

geometry
What will happen to the circumference and the area of the maze a fun house maze that is circular in shape has a diameter of 50 feet. the owner decides to double the radius of the maze?

Geometry
A school's wrestling mat is a square with 50 ft sides. A circle 28 ft in diameter is painted on the mat. No wrestling is allowed outside the circle. Find the area of the part of the mat that is NOT used for wrestling. Use pie=22/7.

geometry
What is the value of x? Justify each step. AC=32 2x 6x+8 .__________________._________________. A B C Drawing not to scale AB + BC = AC a.segment addition postulate 2x + 6x + 8 =32 b.substitution 8x + 8 = 32 c.simplification 8x = 24 d.addition property of equality x = 3 e....

geometry
What is the value of x? Justify each step. AC=32 2x 6x+8 .__________________._________________. A B C Drawing not to scale AB + BC = AC a.segment addition postulate 2x + 6x + 8 =32 b.substitution 8x + 8 = 32 c.simplification 8x = 24 d.addition property of equality x = 3 e....

geometry
A loading dock ramp that is 14 feet long rises at an angle of 14.1° from the horizontal. Due to new design specifications, a longer ramp is to be used, so that the angle is reduced to 9.2°. How much farther out from the dock will that put the foot of the ramp?

Analytic Geometry
The line through the points (-1, 6) and (5, -2)intersects the line through (4, -4) and (1,7).Determine the angle between these two intersecting lines.

geometry
I sent question about rt triangle, ABC, needing to find a & b. altitude was 4, base a and hypotenuse b. You mentioned knowing another angle. There is one < A is 45 degrees. Thanks for all your help. Math is not an easy subject for me.

geometry
I tried to do this problem but the answer doesn't jive. Circle C has a radius of 13. Chord AB is 10. Find the distance from the center of the circle to chord AB which is labeled CD. I labeled CD = x. 1/2 of AB = 5. The line segment CB (13) is the same os CD (x). I tired x sq...

geometry
circle E with a diameter AC and m<DAC = 62 degrees, calculate the following m<BAC arc m<AD m<ABD and m<DBC

Geometry
The volumes of two similar solids are 1,331 m^3 and 216 m^3. The surface area of the larger solid is 484 m^2. What is the surface area of the smaller solid? A. 864m^2 B. 288m^2 C. 144m^2 D. 68m^2 I think the answer is B or C just a lil confused...

Geometry
If the scale factor of two similar solids is 4:17, what is the ratio of their corresponding area and volumes? A. 4:289 and 17:4,913 B. 8:34 and 12:51 C. 16:289 and 64:4,913 D. 64:4,913 and 16:289 I am not sure of how to do this - please help...

Analytic Geometry
The line segment joining a vertex of a triangle and the midpoint of the opposite side is called the median of the triangle. Given a triangle whose vertices are A(4,-4), B(10, 4) and C(2, 6), find the point on each median that is two-thirds of the distance from the vertex to ...

Geometry
Describe the difference between saying that two segments are congruent and saying that two segments have equal length. When would you use each phrase?

Analytic Geometry
What are the lengths of the segments into which the y-axis divides the segment joining (-6,-6) and (3,6) ?

Geometry
The measure of the consecutive sides of an isosceles trapezoid are in the ratio 8:5:2:5 the perimeter of the trapezoid is 140 inches if it's height is 20 inches find the area of the trapezoid

geometry
Write the conditional statement that the Venn diagram illustrates. The Venn diagram includes a large circle and it says quadrilateral and a small circle in it that says squares. Would this be the answer: If quadrilaterals are a four sided figure then in is a square?

Analytic Geometry
Show that the points A(-2, 6), B(5, 3), C(-1, -11) and D(-8, -8) are the vertices of a rectangle.

Analytic Geometry
The ordinate of a point P is twice the abscissa. This point is equidistant from (-3, 1) and (8,-2). Find the coordinates of P.

geometry
Remove the radical from the denominator below. Do not simplify the answer. -2 sqrt15 / (6- sqrt13)

Geometry
Are my geometry answers correct? Please help, I'd like to make sure before I hand this in. Name the property of equality each statement illustrates. 1.) If m∠2=m∠3 and m∠3=m∠1, then m∠2=m∠1. My answer:Transitive Property 2.) AC=AB+BC, then ...

geometry
what got sent looks like ??. I need x & y. I'll try again C | \ | \ y 9 | \ | \.D 90de< | x /\ | / \ 8 90de< B .____/______\. A 2 E 10

geometry
for Remy I need x and y. tri< ABC similar to tri< ADE th you . | \ y | \ 9 | \. 90 deg < | / \ | x/ \ | / \ 90 deg < B.__/________\. A 2 10

geometry
I have right triangles I need to solve. Can you see if I am doing them correctly or screwed up..1) Rt < is in left corner C: Opposite is 60 deg< A, last angle is at top- 30 deg <. line segment of AB is 10. Hypo is f. I got 10 0r 12.5 for answer. 2) Triangle is ABC ...

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Homework Help: Math

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