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October 23, 2014

Homework Help: Math: Geometry

Recent Homework Questions About Geometry

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Geometry
Let G be a rectangular grid of unit squares with 3 rows and 8 columns. How many self-avoiding walks are there from the bottom left square of G to the top left square of G?
Wednesday, March 6, 2013 at 11:59pm

Geometry
The height of a parallelogram is 5 feet more than its base. If the area of the parallelogram is 204 square feet, find its base and height.
Wednesday, March 6, 2013 at 8:23pm

geometry
How can 3 noncollinear points determine a plane
Wednesday, March 6, 2013 at 6:15pm

geometry
a graph shows vertices L and N of rhombus LMNO. which of the following ordered pairs represents a location for vertx M and vertex O that wiill not make rhombus LMNO? A. (-2,-2) and (-6,-2) B. (-2,-1) and (-6,-1) C. (0,-2) and (-8,-2) D. (-9,-2) and (1, -2)
Wednesday, March 6, 2013 at 5:51pm

Math
Hello there! Could You please help me with this Geometry word problem? Here's the problem: Helen painted a picture that was 10 inches longer than it was wide. When she framed the picture, the outside dimensions (that is, the length and the width) were each two inches ...
Wednesday, March 6, 2013 at 5:09pm

Math
Hello there! Could You please help me with this Geometry word problem? Here's the problem: Helen painted a picture that was 10 inches longer than it was wide. When she framed the picture, the outside dimensions (that is, the length and the width) were each two inches ...
Wednesday, March 6, 2013 at 5:09pm

geometry
What's the difference between concurrent lines and intersecting lines
Wednesday, March 6, 2013 at 4:02pm

geometry
State a conclusion that seems reasonable. Donald is older than Jeanette; Donald is older than Ethel. Donald is older than Allen. Conclusion?
Wednesday, March 6, 2013 at 8:45am

maths-geometry
Construct ∆ABC, AB=6cm, BC=9cm,CA=8cm. construct tangents from the vertex C to the circle through AB as the diameter
Wednesday, March 6, 2013 at 5:49am

Geometry
a. If a spherical Triangle on Earth has an excess of 30 degrees, find the area of this spherical triangle measured in square miles. b. If a spherical triangle on the moon has an excess of 30 degrees, find the area of this spherical triangle in sqare miles. c. Find the ratio of...
Tuesday, March 5, 2013 at 7:58pm

Geometry
A six foot person is walking away from an 18 foot pole. Express the distance between the pole and the person in terms of the length of the persons shadow.
Tuesday, March 5, 2013 at 7:36pm

Math-geometry
If a dice has 3 on the top, right back 6, right front 2, bottom 4, left front 1, left back 5 and is rotated by +180, how many dots does each face have after the rotation?
Tuesday, March 5, 2013 at 4:54pm

Analytic geometry - finding point by intersect lin
I have a triangle ABC. The slope of AB is -1/ab, the slope of AC is -1/ac, and the slope of BC is -1/ac. My question is, I have 3 lines: Altitude from A to BC, altitude from B to AC, and altitude from C to AB. I know their slope because it is just -1/slope. But I want to know ...
Tuesday, March 5, 2013 at 9:38am

Analytic Geometry - Reflecting points over lines
Let P = (5,1), and let Q be the reflection of P over the line y = 1/2x + 2. Find the coordinates of Q. I don't understand how to start? Should we draw perpendicular lines? Analytic Geometry - Reflecting points over lines - Steve, Monday, March 4, 2013 at 12:15pm Given (x,y...
Monday, March 4, 2013 at 9:15pm

Geometry
How many ordered triples (a, b, c) of positive integers are there which satisfy the equation a + b + c = 10 ?
Monday, March 4, 2013 at 4:22pm

Geometry
line xy bisect and is perpendicular to ab and cd. ab=6 and ap=5 what is the length of xy
Monday, March 4, 2013 at 4:15pm

Analytic Geometry - Reflecting points over lines
Let P = (5,1), and let Q be the reflection of P over the line y = 1/2x + 2. Find the coordinates of Q. I don't understand how to start? Should we draw perpendicular lines?
Monday, March 4, 2013 at 10:51am

chemistry quick homework help
What is the molecular geometry surrounding the carbon atom in CI4? (This compound contains the elements caron and iodine, not chlorine.) trigonal planer pyramidal (trigonal pyramidal) bent (angular) linear tetrahedral
Monday, March 4, 2013 at 8:32am

geometry!
Given a 100 by 100 square grid, what is the most number of 1 by 51 rectangles that we can cut out of it?
Monday, March 4, 2013 at 1:41am

pentagon...GEOMETRY
ABCDE is a regular pentagon. FAD is an equilateral triangle, such that points F and E are on the same side of line AD. What is the measure (in degrees) of ∠FAB?
Monday, March 4, 2013 at 1:40am

geometry(rectangle)
Given a 100 by 100 square grid, what is the most number of 1 by 51 rectangles that we can cut out of it?
Monday, March 4, 2013 at 1:27am

Geometry
ABC is a right triangle with AB = 2, BC = 8\sqrt{3} and AC = 14. What is the value of \sec \angle BAC?
Monday, March 4, 2013 at 12:34am

Geometry
A 12 by 12 by 12 cube has all its faces painted blue. It is then broken down to 1728 individual 1 by 1 by 1 cubes. The probability that a randomly chosen 1 by 1 by 1 cube has exactly 2 faces painted blue is \frac {a} {b} , where a, b are coprime. What is the value of a+ b?
Monday, March 4, 2013 at 12:27am

GEOmetry
How many 7 digit positive integers are there such that the product of the individual digits of each number is equal to 10000?
Monday, March 4, 2013 at 12:24am

geometry
38ft rope extended to end gives 70°angle of elevation what is height
Sunday, March 3, 2013 at 11:05pm

Geometry
If the edges of a rectangular prism are 8cm, 6cm, and the diagonal is 10radical2, what is volume of the solid? A right circular cylinder with a radius of 4 has a lateral area of 40pi cm squared. What is the volume of the cylinder?
Sunday, March 3, 2013 at 6:17pm

Geometry PLEASE HELP
1. If the surface area of a cube is 294 inches squared, find the volume. 2. If the base of a prism is an equilateral triangle with sides 8cm, and each lateral edge measures 10cm, what is the volume of the prism.
Sunday, March 3, 2013 at 6:11pm

Geometry
The base of a right prism 50 inches high is a rhombus, with diagonals 30 and 16 inches. Find the total surface area of the prism.
Sunday, March 3, 2013 at 6:06pm

geometry
167.08 square inches. I need to know the radius of a circle for that number of square inches..
Sunday, March 3, 2013 at 4:07pm

maths - geometry
if the points A(1,-2) B(2,3) C(-3,2) and D(-4,-3) are the vertices of the paralleogram ABCD, then taking AB as the base, find the height of parallelogram.
Sunday, March 3, 2013 at 10:04am

Geometry
Sandy has a long list of 100 suitors. She decides to label them according to if they are tall, dark or handsome. She finds that each of her suitors fall into at least one of the categories, and 65 of them are tall, 76 of them are dark and 53 of them are handsome. If 20 of the ...
Saturday, March 2, 2013 at 11:01pm

geometry
Let ABC be a right triangle with ACB =90, AC =6 , and BC =2. E is the midpoint of AC , and F is the midpoint of AB . If CF and BE intersect at G , then cos(CGB), in simplest radical form, is ((k square root w)/f) where k , w , and f are positive integers. Find the value of k+w...
Saturday, March 2, 2013 at 2:02pm

Geometry - Dilation of a square
The preimage of square ABCD has its center at (8,-8) and has an area of 4 square units. The top side of the square is horizontal. The square is then dilated with the dilation center at (0,0) and a scale factor of 2. What are the coordinates of the vertex of the image of square...
Saturday, March 2, 2013 at 10:54am

geometry
find k if one of the lines given by kx^2+10xy+8y^2=0 is perpendicular to 2x-y=5
Saturday, March 2, 2013 at 5:08am

Geometry
Luis has a simple calculator that has buttons for the digits 0 through 9, each of the 4 basic operations (+, - ,*,/ ), and an '=' button. Luis pushes a digit followed by the '+' sign, followed by another digit, followed by the '-' sign, followed by ...
Friday, March 1, 2013 at 7:48pm

analytic geometry helps are appreciated
Find the maximum value of y/x over all real numbers x and y that satisfy (x-3)^2+(y-3)^2 = 6. It is a circle, but how do we even begin? As a matter of fact, how is there not only like 1 solution??
Friday, March 1, 2013 at 7:44pm

Geometry
In acute triangle ABC, we have \angle CAB = 34 ^\circ . E is the foot of the perpendicular from B to AC. A point H is on BE is chosen, and X is the foot of the perpendicular from H to AB. What is the measure (in degrees) of \angle of EHX?
Friday, March 1, 2013 at 6:44pm

Geometry
ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If \angle BCA = 39 ^\circ and \angle EBA = 2 \angle DAB , what is the measure of \angle ABC(in degrees)?
Friday, March 1, 2013 at 6:42pm

Geometry
Luis has a simple calculator that has buttons for the digits 0 through 9, each of the 4 basic operations (+, - ,*,/ ), and an '=' button. Luis pushes a digit followed by the '+' sign, followed by another digit, followed by the '-' sign, followed by ...
Friday, March 1, 2013 at 6:40pm

Geometry
Danny has a 15-foot board that he wants to use as a motorcycle ramp.If he wants the end of the ramp to be 4 ft off the ground,what angle will be formed between the board and the ground?
Friday, March 1, 2013 at 4:21pm

analytic geometry helps are appreciated
Find the maximum value of y/x over all real numbers x and y that satisfy (x-3)^2+(y-3)^2 = 6. It is a circle, but how do we even begin? As a matter of fact, how is there not only like 1 solution?? No one has answered this question yet.
Friday, March 1, 2013 at 3:01pm

please help with analytic geometry if you can
Find the maximum value of y/x over all real numbers x and y that satisfy (x-3)^2+(y-3)^2 = 6. It is a circle, but how do we even begin? As a matter of fact, how is there not only like 1 solution??
Friday, March 1, 2013 at 12:49pm

geometry
4. In order to properly design a heating system for a greenhouse, the volume of air in the building needs to be determined. Find the volume of air in the greenhouse below. The length of the building is 40 feet long, the width is 20 feet long, and it is 8 feet from the ground ...
Friday, March 1, 2013 at 12:42pm

analytic geometry helps are appreciated
For some positive real number r , the line x+y=r is tangent to the circle x^2+y^2 = r. Find r. How do we do this? Set equal equations together??
Friday, March 1, 2013 at 9:14am

Geometry
How do you find the apothem of a regular pentagon? Hexagon?
Thursday, February 28, 2013 at 9:01pm

geometry
triangle abc is similar to def, the lengths of the sides of triangle abc is 5,8,11. what is the length of the shortest side of triangle def if its perimeter is 60?
Thursday, February 28, 2013 at 6:22pm

Geometry
line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)
Thursday, February 28, 2013 at 5:35pm

Geometry
line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)
Thursday, February 28, 2013 at 5:34pm

geometry
The surface areas of two similar solids are 36sq. yds and 144 sq yds. Find the ratio of their linear measures.
Thursday, February 28, 2013 at 8:24am

geometry!
ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If ∠BCA=39∘ and ∠EBA=2∠DAB, what is the measure of ∠ABC (in degrees)?
Thursday, February 28, 2013 at 12:54am

geometry!
ABCD is a parallelogram. E is a point on AB such that 234×AE=EB. Let DE intersect AC at F. What is the ratio AC:AF?
Thursday, February 28, 2013 at 12:54am

Geometry
Luis has a simple calculator that has buttons for the digits 0 through 9, each of the 4 basic operations (+, - ,*,/ ), and an '=' button. Luis pushes a digit followed by the '+' sign, followed by another digit, followed by the '-' sign, followed by ...
Thursday, February 28, 2013 at 12:17am

Geometry
ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If \angle BCA = 39 ^\circ and \angle EBA = 2 \angle DAB , what is the measure of \angle ABC (in degrees)?
Thursday, February 28, 2013 at 12:14am

Geometry
The volume of a sphere is numerically equal to the surface area of the sphere. If this value is equal to N \pi, what is the value of N?
Thursday, February 28, 2013 at 12:00am

Geometry
In acute triangle ABC, we have \angle CAB = 34 ^\circ . E is the foot of the perpendicular from B to AC. A point H is on BE is chosen, and X is the foot of the perpendicular from H to AB. What is the measure (in degrees) of \angle EHX?
Wednesday, February 27, 2013 at 10:39pm

analytic geometry helps are appreciated
A line with slope 3 is 2 units away from the origin. Find the area of the triangle formed by this line and the coordinate axes. How is this even going to be done? We are given little info but a bunch of variables. Could someone help please??
Wednesday, February 27, 2013 at 10:07pm

Geometry
In the diagram, is an altitude drawn in trapezoid DEFG, DE = 10, EF = 9, FG = 8, and GD = 15. What is mÐD to the nearest degree? 37 53 60 80
Wednesday, February 27, 2013 at 8:52pm

geometry
this rectangular prism is 120 miles in length, 20 miles in width, and 800 feet deep what is the volume????!!?
Wednesday, February 27, 2013 at 6:54pm

Geometry
1) If m1 = 37°, what is the measure of 4? a. 53° b. 43° c. 37° d. 27° 2) If m1 = 40°, what is the measure of 5? a. 50° b. 40° c. 35° d. 25° 3) If m4 = 105°, then what is the m8? a. 105° b. 75° c. 175° d. 25° My Answer...
Wednesday, February 27, 2013 at 2:01pm

simple geometry!
In acute triangle ABC, we have ∠CAB=34∘. E is the foot of the perpendicular from B to AC. A point H is on BE is chosen, and X is the foot of the perpendicular from H to AB. What is the measure (in degrees) of ∠EHX?
Wednesday, February 27, 2013 at 1:56am

geometrY!
ABCD is a parallelogram. E is a point on AB such that 234×AE=EB. Let DE intersect AC at F. What is the ratio AC:AF?
Wednesday, February 27, 2013 at 1:56am

geometry
A radio tower casts a shadow 170 feet long. The angle of elevation of the sun is 43 degrees. How high is the tower? Round to hundredths.
Tuesday, February 26, 2013 at 10:25pm

geometry
A triangle has side lengths 24, 32, and 42. Is it a right triangle? Explain
Tuesday, February 26, 2013 at 9:54pm

Math-geometry
A regular polygon with all sides that are congruent and all angles that are congruent. Thus, the regular triangles are equilateral triangles, and the regular quadrilaterals are squares. All equilateral triangles are similar to one another and all squares are similar to one ...
Tuesday, February 26, 2013 at 8:54pm

Geometry
1. Find the diameter of a circle with a circumference of 50 mm. Round your answer to the nearest tenth. a) 16.0 mm b) 26.4 mm c) 8.4 mm d) 33.5 mm 2. Find the area of the circle with the given radius or diameter. Round your answer to the nearest tenth. Diameter = 42.0 mm a) ...
Tuesday, February 26, 2013 at 8:37pm

Math-geometry
A regular polygon with all sides that are congruent and all angles that are congruent. Thus, the regular triangles are equilateral triangles, and the regular quadrilaterals are squares. All equilateral triangles are similar to one another and all squares are similar to one ...
Tuesday, February 26, 2013 at 6:29pm

geometry
what is the perimeter of a pool 7ft wide 10ft long 4ft high? Is it 34ft squared?
Tuesday, February 26, 2013 at 2:46pm

geoMETRY!
ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If ∠BCA=39∘ and ∠EBA=2∠DAB, what is the measure of ∠ABC (in degrees)?
Tuesday, February 26, 2013 at 11:35am

geometry
prove that The sum of the angles in any triangle is 180 degrees is true in Euclidian geometry.
Tuesday, February 26, 2013 at 11:34am

geometry
there are 4 cirlces in an equilateral triangle with sides equal to 16cm. what is the radius of the big circle and the little circles
Monday, February 25, 2013 at 11:08pm

Math-geometry
A regular polygon with all sides that are congruent and all angles that are congruent. Thus, the regular triangles are equilateral triangles, and the regular quadrilaterals are squares. All equilateral triangles are similar to one another and all squares are similar to one ...
Monday, February 25, 2013 at 8:20pm

geometry
The hypotenuse is x+5 and the legs are 16, and 7 so how would you use the pythagorean theorem.
Monday, February 25, 2013 at 4:50pm

geometry(triangle)
Triangle ABC is a right triangle with ∠ABC=90∘. P is a point within triangle ABC such that ∠APB=∠BPC=∠CPA=120W​28;. If PA=15 and PB=6, what is the value of PC?
Monday, February 25, 2013 at 11:31am

geometry
ABCD is a parallelogram. E is a point on AB such that 234×AE=EB. Let DE intersect AC at F. What is the ratio AC:AF?
Monday, February 25, 2013 at 11:30am

math geometry
a cone has a radius of 2 inches and a height of 12 inches if the radius of the cone is double what must be the new height in the cone in order to keep the volume constant
Sunday, February 24, 2013 at 11:23am

Geometry
An isosceles trapezoid has bases of length 20 and 12 centimeters and legs of length 11 centimeters what is the area of the trapezoid to the nearest tenth
Saturday, February 23, 2013 at 2:05pm

Geometry
An isosceles trapezoid has bases of length 20 and 12 centimeters and legs of length 11 centimeters what is the area of the trapezoid to the nearest tenth
Saturday, February 23, 2013 at 2:05pm

Geometry
Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°. From Lani’s position, the angle of elevation to the top of the Eiffel Tower is 38.5°. How many meters high is the Eiffel Tower? Round to...
Saturday, February 23, 2013 at 10:24am

geometry
ABCD is a square of side length 1. E , F , G and H are the midpoints of AB , BC , CD and DA , respectively. The lines FA , AG , GB , BH , HC , CE , ED and DF determine a convex 8-gon. By symmetry, this octagon has equal sides. If s is the side length of the octagon, then s 2 ...
Saturday, February 23, 2013 at 9:17am

geometry
abcd is a parallelogram with sides ab=12 cm,bc=10 cm and diagonal ac=16 cm .find the area of the parallelogram also find the distance between its shortest sides
Friday, February 22, 2013 at 10:09pm

Please help on geometry - analytic geometry
What is the area, in square units, of a triangle whose vertices are at (4,-1), (10,3) and (4,5) ? How to do this?
Friday, February 22, 2013 at 5:21pm

Geometry - please help - reflections
A laser is shot from vertex A of square ABCD of side length 1, towards point P on BC so that BP = 3/4. The laser reflects off the sides of the square, until it hits another vertex, at which point it stops. What is the length of the path the laser takes? Help?? Won't the ...
Friday, February 22, 2013 at 8:44am

Geometry
What is the shortest distance from the point (2,1) to the line x-y= -1
Thursday, February 21, 2013 at 8:50pm

geometry
Which type of angle do construction workers use when building to make sure that the walls and floors of a building are perpendicular
Thursday, February 21, 2013 at 8:15pm

please help with geometry - dilation
When a square of area 4 is dilated by a scale factor of k, we obtain a square of area 9. Find the sum of all possible values of k. I do not understand...it is not 3/2, as I was told, but I don't understand why? Help?
Thursday, February 21, 2013 at 5:37pm

Math- geometry
Angles in a circle. Is the angle in the center equal to any other angle on the sides or top?
Thursday, February 21, 2013 at 1:11pm

Geometry - Transformations and Dilations
When a square of area 4 is dilated by a scale factor of k, we obtain a square of area 9. Find the sum of all possible values of k. I do not understand...it is not 3/2, as I was told, but I don't understand why? Help?
Thursday, February 21, 2013 at 9:32am

geometry
in triangle lmn altitude lk is 12cm long through point j of lk is a line drawn parallel to ms, dividing the triangle into two region with equal areas find lj
Wednesday, February 20, 2013 at 11:34pm

Geometry (immediate help and explanation)
A bridge is the shape of an arc of a circle. The bridge is 8 feet tall and 36 feet wide. What is the radius of the circle that contains the bridge? Round your answer to the nearest tenth.
Wednesday, February 20, 2013 at 10:21pm

geometry
tylers 14 foot ladder makes a 62 degree angle with the ground.To the nearest foot, how far up the house does tylers ladder reach, and how far away from the house is the base of the ladder
Wednesday, February 20, 2013 at 9:59pm

geometry
did you hear about... it says its supposed to be a novel.. my words are robins, because,rooster,so,name,sun,best,the,was​,banks,gave,wrecked,robinson,farmer,crew​,he,who,pet,the,his. it's 13 boxes long.
Wednesday, February 20, 2013 at 8:53pm

geometry
Did you hear about...(it says it would be a novel name)
Wednesday, February 20, 2013 at 8:36pm

geometry
It was stated that <ABD + <CBE = 180 degrees, however, please note that <ABC would be equal to 180 degrees. Further development was required.
Wednesday, February 20, 2013 at 7:59pm

geometry
Prove that the statement, “Rectangles do not exist,” is true in hyperbolic geometry.
Wednesday, February 20, 2013 at 7:56pm

geometry!!!
Write the ratios for sin A and cos A. The triangle is not drawn to scale. *right triangle. 14 on the side. 50 on the slant. and 48 on the bottom.
Wednesday, February 20, 2013 at 12:52pm

Geometry
What is used to show that an assumption is false? A. inductive reasoning B. counter example C. pattern D. conjecture ANswer: A
Wednesday, February 20, 2013 at 10:01am

geometry
Write an equation for each circle described. Center at origin,radius is 3. I'm stuck.aren't I suppose to be given an endpoint for me to be able to use the midpoint formula to find the center? I need help please...oh that's the only thing they give me.
Tuesday, February 19, 2013 at 9:47pm

geometry
A tower casts a shadow of 64 feet. A 6 foot tall pole near the tower casts a shadow 8 feet long. How tall is the tower?
Tuesday, February 19, 2013 at 7:06pm

geometry
Martin and Patrick have a model of an airplane which they want to duplicate. Martin uses a string and ruler to make approximate measurements of lengths to duplicate the picture. Patrick uses a pencil and paper and duplicates the picture without the help of tools.
Tuesday, February 19, 2013 at 9:59am

geometry
your neighbor is standing at the top of a 14 foot ladder. the base of the ladder is 4 feet from the house. how far off the ground is the neighbor
Monday, February 18, 2013 at 11:39pm

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