Friday

April 18, 2014

April 18, 2014

**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=1392638255
*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/geometry/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/supplementary-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*

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