Friday
April 18, 2014

Homework Help: Math: Geometry

Recent Homework Questions About Geometry

Post a New Question | Current Questions

Geometry HELP HELP
Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 PLEASE HELP ME BELLS
Tuesday, February 18, 2014 at 6:56am

Geometry
original dimensions: l, w, h volume = lwh new length --- 2l/3 new width ---- w/10 new height = h/4 new volume + (2l/3)(h/4)(w/10) = 2 lwh/120 = lwh/60 or (1/60)lwh so , yes, it is B
Monday, February 17, 2014 at 8:44pm

Geometry
Yes
Monday, February 17, 2014 at 8:44pm

Geometry
V = L w H new V = (2/3)L * (1/10) w * (1/4) H = (2/120) LwH = (1/60) LwH
Monday, February 17, 2014 at 8:44pm

Geometry
You are welcome :)
Monday, February 17, 2014 at 8:40pm

Geometry
Is it B?
Monday, February 17, 2014 at 8:36pm

Geometry
How does the volume of a rectangular prism change if the width is reduced to 1/10 of its original size, the height is reduced to 1/4 of its original size, and the length is reduced to 2/3 of its original size? A. V=1/120lwh B. V=1/60lwh C. V= 2/3lwh D. V=3/4lwh
Monday, February 17, 2014 at 8:35pm

Geometry
Thank you so much oh my god
Monday, February 17, 2014 at 8:33pm

geometry
add six feet at the end tan 25 = h/(x+10) tan 36 = h/x h = (x+10)(.466) h = x(.727) so .727 x = .466 x + 4.66 .261 x = 4.66 x = 17.9 ft so h = .727 (17.9) = 13 13 + 6 = 19 ft
Monday, February 17, 2014 at 8:23pm

geometry
The angle of depression from a hot air ballon in the air to a person on the ground is 36 degrees. If the person steps back 10ft the new angle of depression is 25 degrees. If the person is 6ft tall, how far off the ground is the hot air ballon?
Monday, February 17, 2014 at 8:14pm

Geometry
V = (1/3)base area * height new V =(1/3) (4 base area)(height/9) so 4/9 of original
Monday, February 17, 2014 at 8:00pm

Geometry
How does the volume of a square pyramid change if the base area is quadrupled and the height is reduced to 1/9 of its original size? A. V= 1/27Bh B. V= 4/27Bh C. V= 2/9Bh D. V= 4/9Bh
Monday, February 17, 2014 at 7:37pm

Gowith Steve - Geometry
messed up my typing don't know why my 1/3 suddenly became 2/3
Monday, February 17, 2014 at 5:48pm

Geometry
let the base of the pyramid and the cube be x by x let the height of the pyramid be h then the height of the cube is 2h volume of pyramid = (1/3)x^2 h = (2/3)h x^2 volume of cube = x^2 (2h) = 2h x^2 ratio of cube : pyramid = 2hx^2 : (2/3hx^2 = 2: 2/3 = 6:2 = 3:1 so it is 3 ...
Monday, February 17, 2014 at 5:45pm

Geometry
cube: v = Bh pyramid: 1/3 B(h/2) = 1/6 Bh So, (A)
Monday, February 17, 2014 at 5:44pm

Geometry
but that's not a choice. A. 1/6 B. 1/3 C. 3 D. 6
Monday, February 17, 2014 at 5:29pm

Geometry
its is equal to 2 times the volume because the square pyramid is HALF the height of the cube. Next time, read the question a little more carefully, because the answer is in the question.
Monday, February 17, 2014 at 5:26pm

Geometry
The volume of a square pyramid is equal to _____ times the volume of a cube where the bases are the same, but the square pyramid is half the height of the cube.
Monday, February 17, 2014 at 5:14pm

Geometry
a = 2pi r (r+h) If r and h are shrunk by a factor of 3 each, than we have 2pi (r/3)(r/3 + h/3) = 2/9 pi r (r+h) = 1/9 a as with all geometric figures, when the linear dimensions are scaled by a factor of f, the area is scaled by f^2 and the volume is scaled by f^3.
Monday, February 17, 2014 at 5:12pm

Geometry
If a cylinder’s radius and height are each shrunk down to a third of the original size, what would be the formula to find the modified surface area?
Monday, February 17, 2014 at 4:17pm

GEOMETRY CIRCLES EQUATION
been there, did that http://www.jiskha.com/display.cgi?id=139​2638255
Monday, February 17, 2014 at 10:11am

geometry
solve it yourself.
Monday, February 17, 2014 at 10:10am

geometry circles equation i dont know
points on circle: (0,0), (5,0) find intersections of lines for third point on circle 2(y) + 3 y = 10 5 y = 10 y = 2 then x = 2 so third point is (2,2) (0,0) (5,0) (2,2) (x-a)^2 + (y-b)^2 = r^2 plug and chug a^2 + b^2 = r^2 (5-a)^2 + b^2 = r^2 (2-a)^2 +(2-b)^2 = r^2 a^2 + b^2...
Monday, February 17, 2014 at 10:10am

GEOMETRY CIRCLES EQUATION
Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10
Monday, February 17, 2014 at 8:50am

Geometry? Very incomplete!
.
Monday, February 17, 2014 at 8:40am

Geometry Circles Equation
Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 I beg you
Monday, February 17, 2014 at 8:31am

geometry circles equation i dont know
please he lp Find the equation of a circle circumscribes a triangle determined by the line y= 0 , y= x and 2x+3y= 10 this is my first timein this website please help me need it badly my teacher will be angry at me so much
Monday, February 17, 2014 at 6:57am

Geometry
Did you mean positive whole numbers ? let the base be y and each of the equal sides be x To be a triangle, x > 2y or y < x/2 2x + y = 99 y = 99-2x y-intercept is 99, x-intercept is 49.5 so the x, or the base, can only be a number from 1 to 49 but to even have a triangle...
Sunday, February 16, 2014 at 8:12pm

Geometry
How many distinct isosceles triangles exist with a perimeter of 99 inches and side lengths that are positive while numbers?
Sunday, February 16, 2014 at 7:44pm

Geometry
2x+2y = 102 x^2+y^2 = 39^2 A 5-12-13 right triangle looks promising. Scale that up to a 15-36-39 size, and we see that 15+36=51, so our rectangle is 15 by 36
Sunday, February 16, 2014 at 5:20pm

Geometry
The perimeter of a rectangle is 102 inches, and the length of the diagonal is 39 inches. Find the dimensions of the rectangle.
Sunday, February 16, 2014 at 5:07pm

Geometry
1:151
Sunday, February 16, 2014 at 8:01am

algebra 1/BGe
Geometry.the figures below are squares.find an expression for the area of each shaded region.write your answers in standard form.
Friday, February 14, 2014 at 8:06pm

geometry
6
Thursday, February 13, 2014 at 7:50pm

geometry - incomplete
since I know neither the angles nor their relation to x, you better provide a bit more description of the figure, eh?
Thursday, February 13, 2014 at 2:58pm

Geometry true or false
I believe that is false
Thursday, February 13, 2014 at 12:53pm

geometry
if the measurement of angle fgk is 3y-4 and measurement of angle kgh is 2y+7 find x
Thursday, February 13, 2014 at 10:29am

geometry
V = πr^2 h h = 335/(π r^2) SA = 2π r^2 + 2πrh = 2πr^2 + 2πr(335/(πr^2) = 2πr^2 + 670/r d(SA)/dr = 4πr - 670/r^2 = 0 for a min of SA 4πr = 670/r^2 4πr^3 = 670 r = (670/(4π))^(1/3) = 3.763757606.. subbing back into h h...
Thursday, February 13, 2014 at 8:55am

geometry
a cylindrical soup can has a volume of 335cm^3.find the dimensions(radius r and height h)that minimise the surface area of such a can.
Thursday, February 13, 2014 at 5:51am

geometry
elaine and Daniel are building a rectangular greenhouse.they want the are of the floor to be 36metres squared.since the glass walls are expensive,they want to minimise the amount of glass wall they use.they have commissioned you to design a greenhouse which minimizes the cost...
Thursday, February 13, 2014 at 5:42am

Geometry
I'd say C
Thursday, February 13, 2014 at 12:02am

Geometry
Which theorem or postulate is the construction of parallel lines based upon? A. Consecutive Interior Angles Converse Theorem B. Corresponding Angles Converse Postulate C. In the same plane, if two lines are perpendicular to the same line, then they are parallel to each other. ...
Wednesday, February 12, 2014 at 9:36pm

Geometry
Thanks to both of you
Wednesday, February 12, 2014 at 8:41pm

Geometry
Thanks
Wednesday, February 12, 2014 at 8:39pm

Geometry
D looks good but of course, an equilateral triangle with sides of 10, has a height of 8.66 So, the triangle is isosceles, but not equilateral.
Wednesday, February 12, 2014 at 8:37pm

Geometry
Right.
Wednesday, February 12, 2014 at 8:35pm

Geometry
What is the area of an equilateral triangle with sides of 10 inches and height of 7 inches? Can you please check my answer and my reasoning? A. 44 sq. in. B. 20 sq. in. C. 70 sq. in. D. 35 sq. in. I picked D, because I took 10x7=70and divided that by 2, which equals 35 sq. in...
Wednesday, February 12, 2014 at 8:33pm

geometry
A circle has a diameter of 20 inches and a central angle AOB that measures 160°. What is the length of the intercepted arc AB? Use 3.14 for pi and round your answer to the nearest tenth
Wednesday, February 12, 2014 at 4:03pm

Geometry
40 cm : 18 mm = 40 cm : 1.8 cm = 40 : 1.8 = 400 : 18 = 200 : 9
Wednesday, February 12, 2014 at 10:15am

Geometry
Write the ratio of the first measurement to the second measurement. Diameter of care tire:40cm Diameter of care tire:18mm I'm not sure hoow to do this. May someone explain how to do this problem.
Wednesday, February 12, 2014 at 9:20am

Geometry
6
Wednesday, February 12, 2014 at 2:09am

geometry
You say nothing about how you know that Q is "just above" L, or what that means. I'd say (c) is the choice. You draw arcs centered at P and T, such that they intersect above and below L. Note that the arcs must have radius greater than LT=LP. I get the feeling ...
Monday, February 10, 2014 at 6:28pm

Math
All of this should be covered in his book. http://www.enchantedlearning.com/math/ge​ometry/shapes/ http://www.mathsisfun.com/geometry/
Monday, February 10, 2014 at 5:57pm

geometry
An architect plans to make a drawing of the room of a house. The segment LM represents the floor of the room. He wants to construct a line passing through Q and perpendicular to side LM to represent a wall of the room. He uses a straightedge and compass to complete some steps ...
Monday, February 10, 2014 at 4:13pm

Geometry
7/x = cos60 = 1/2
Sunday, February 9, 2014 at 9:39pm

Geometry
A ladder leaning against a house makes an angle of 60 degrees with the ground. The foot of the ladder is 7 ft from the house. How long is the ladder?
Sunday, February 9, 2014 at 7:35pm

Geometry - insufficient data
What is the size of the yard?
Sunday, February 9, 2014 at 12:59pm

Geometry
Andrea has a yard shaped like parallelogram ABCD. The garden area, parallelogram EFGB, has an area of 105 ft. If Andrea wants to sod the rest of her yard, how many square feet of sod should she order? A. 765 ft B. 840 ft C. 945 ft D. 1,515 ft
Sunday, February 9, 2014 at 12:42pm

Geometry
Area of a kite = (1/2)product of the diagonals So the width and height would be diagonals let the height diagonal be h (1/2)(15)h = 60 15h = 120 h = 8 , looks like C
Sunday, February 9, 2014 at 10:59am

Geometry
Maria is making a stained glass window in the form of a kite. The width of the window must be 15 in., and she only has enough stained glass to cover 60 in. What should the height of the window be? A. 4 in. B. 6 in. C. 8 in. D. 12 in.
Sunday, February 9, 2014 at 9:58am

geometry
3.36
Saturday, February 8, 2014 at 4:45pm

geometry
A flower bed in the corner of your yard is in the shape of a right triangle. The perpendicular sides of the bed measure 10 feet and 12 feet. Calculate the area of the flower bed.
Friday, February 7, 2014 at 8:17pm

geometry
!@#$%^&s you
Friday, February 7, 2014 at 7:36am

Geometry
find AC IF AB = 6 cm
Thursday, February 6, 2014 at 6:43pm

Geometry
it is 8.94
Thursday, February 6, 2014 at 5:48pm

geometry
opposite angles are equal, so 8x-2 = 104
Thursday, February 6, 2014 at 2:39pm

geometry
My problem is with a parallelogram that has three numbers which are 88 degrees,104,and 80. Then the fourth on is 8x minus 2 how do I slove this
Thursday, February 6, 2014 at 10:30am

Geometry
5^2 + h^2 = 16^2
Thursday, February 6, 2014 at 5:29am

Geometry
Larry has a ladder that is 16' long. If he sets the base of the ladder on level ground 5 feet from the side of the house, how many feet above the ground will the top of the ladder reach when it rests against the house?
Thursday, February 6, 2014 at 12:24am

geometry
An advertising blimps hovers over stadium at the altitude of 152 m.the pilot sites a tennis court at in 80 degree angle of depression. Find the ground distance in the straight line between the stadium and the tennis court. (note: in an exercise like this one, and answers ...
Thursday, February 6, 2014 at 12:09am

geometry - still stumped
I agree that bcd is 94° similarly, angle acd is x, so x+y+66=180. Still looking for another angle (as it were) to connect x and y.
Wednesday, February 5, 2014 at 5:23pm

Coordinate geometry
Hmmm. Your question implies you have not yet read the lesson. Seems like that ought to be the next step. Any explanation you receive here will probably not be any better than the explanation in your text. Plus, your text probably has some examples.
Wednesday, February 5, 2014 at 1:07pm

Coordinate geometry
Our lesson coordinate geom already now analytic proof . HOW TO DO ANALYTIC PROOF ? PLEASE PLEASE HELP THANKS VERY MUCH
Wednesday, February 5, 2014 at 10:15am

Geometry
wE nEED tHE cHART???
Wednesday, February 5, 2014 at 10:00am

Geometry
Hmmm. This makes no sense to me.
Tuesday, February 4, 2014 at 10:37pm

Geometry
Jenny is 5ft 2in tall to find the height of The light pole she measured her shadow And the poles shadow what is The height of the light pole
Tuesday, February 4, 2014 at 10:35pm

MATH
180 - 55.1 = 124.9 http://www.mathsisfun.com/geometry/suppl​ementary-angles.html
Tuesday, February 4, 2014 at 6:38pm

GEOMETRY
Length of the diameter of a circle with the endpoints A(4, -3) and B(4, 3)
Tuesday, February 4, 2014 at 7:40am

mathematic
how to do eucliodean geometry
Tuesday, February 4, 2014 at 3:18am

Algebra/Geometry
Identify the sequence of transformations that maps quadrilateral abcd onto quadrilateral a"b"c"d" Answers 180 rotation around the origin; reflection over the x-axis translation (x,y) -> (x - 2, y + 0); reflection over the line x = -1 enlargement; ...
Monday, February 3, 2014 at 10:59pm

Geometry
11/8.5 = 1.294 77/53 = 1.452 So, the 8.5x11 paper is closer to square than the 53x77 paper The scale will have to be such that the height of 77cm will fit in 11in That is 11in:77cm or 1in:7cm = 2.54:7 = 1:2.75
Monday, February 3, 2014 at 5:52am

Coordinate geometry
let A be at (0,0) Then if B is at (xb,yb), the length of AB is √(xb^2 + yb^2) Then, if C is at (xc,yc), the midpoint of AC is (xc/2,yc/2) and the midpoint of BC is at ((xb+xc)/2,(yb+yc)/2) If M is the midpoint of AC and N is the midpoint of BC, then the slope of MN is ((...
Monday, February 3, 2014 at 5:44am

Coordinate geometry
Help me i this please the segment joining the midpoint of 2 sides f a triagle is parallel to the 3rd side and half as long. thaks
Monday, February 3, 2014 at 4:37am

Geometry
Trying to find the scale for a 77 centimeter by 53 centimeter painting to fit on a 8.5 by 11 inch paper. Please show me how-
Sunday, February 2, 2014 at 10:40pm

geometry
how does the volume of an oblique cylinder change if the radius is reduced to 2/9 of it's original size and the height is quadrupled?
Sunday, February 2, 2014 at 6:03pm

geometry
27
Sunday, February 2, 2014 at 3:04pm

Geometry - insufficient data
.
Saturday, February 1, 2014 at 2:34pm

Geometry
Jason wants to walk the shortest distance to get from the parking lot to the beach. a.How far is the spot on the beach from the parking lot? b. How far will he have to walk from the parking lot to get to the refreshment stand?
Saturday, February 1, 2014 at 2:32pm

COURSE HELP PLEASE ms sue qq
In high school, these courses are usually called Algebra I Algebra II Geometry Pre-calculus AP Calculus Biology AP Biology Chemistry AP Chemistry Physics AP Physics Work with your counselor to make sure you take the required courses for graduation AND as many of these as ...
Saturday, February 1, 2014 at 9:41am

GEOMETRY MIDPOINT FORMULA steve how did this hapn
thankssssss steve :) <33
Saturday, February 1, 2014 at 9:34am

GEOMETRY MIDPOINT FORMULA steve how did this hapn
thank you reinyyyyy <3
Friday, January 31, 2014 at 9:51am

GEOMETRY MIDPOINT FORMULA steve how did this hapn
looks like Steve was using vector geometry Perhaps the following approach might make sense to you: make a sketch. since AC = 4AB AB : BC = 1 : 3 for the x's : (2 - (-2))/(-2-x) = 1/3 12 = -2-x x = -14 for the y's: (3-0)/(0-y) = 1/3 9 = -y y = -9 so point C is (-14, -9)
Friday, January 31, 2014 at 9:22am

GEOMETRY MIDPOINT FORMULA steve how did this hapn
If a line is extended from A (2,3) through B ( -2, 0 ) to a point so that AC = 4ab Find the coordinates of C Please help thanks so much GEOMETRY MIDPOINT FORMULA - Steve, Thursday, January 30, 2014 at 11:58am B-A = (-4,-3) C-A = 4(B-A) = (-16,-12) C = A+(C-A) = (-14,-9)
Friday, January 31, 2014 at 8:53am

geometry
Changing a number to scientific notation gives you a number less than 10 multiplied by a power of 10: 3500 = 3.5*10^3 3.5 is less than 10; the exponent(3) means that moving the decimal 3 places to the right restores the number to standard form. 0.0035 = 3.5*10^-3. The negative...
Thursday, January 30, 2014 at 10:26pm

geometry
ADCBDDB
Thursday, January 30, 2014 at 2:45pm

geometry
If the pole's shadow is 14 times as long as her shadow, then the pole is 14 times as tall as she is. 14(5.5) = 77 feet
Thursday, January 30, 2014 at 12:00pm

GEOMETRY MIDPOINT FORMULA
B-A = (-4,-3) C-A = 4(B-A) = (-16,-12) C = A+(C-A) = (-14,-9)
Thursday, January 30, 2014 at 11:58am

geometry
Dru is challenged by her geometry teacher to estimate the height of the school flag pole without measuring. She decided to walk off the length of the shadow cast by the pole by successively walking the noted length of her shadow. If dry is 5ft 6 in.tall and she estimates the ...
Thursday, January 30, 2014 at 11:10am

GEOMETRY MIDPOINT FORMULA
If a line is extended from A (2,3) through B ( -2, 0 ) to a point so that AC = 4ab Find the coordinates of C Please help thanks so much
Thursday, January 30, 2014 at 6:31am

geometry
25
Thursday, January 30, 2014 at 4:16am

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Post a New Question | Current Questions

Homework Help: Math

Search
Members