Saturday

April 19, 2014

April 19, 2014

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**Geometry**

A = lw Easy way to solve: A = 0.8 * 0.5 A = 0.4 or 2/5 square feet
*Tuesday, April 8, 2014 at 4:07pm*

**Geometry**

Find the area. A rectangle with sides of lengths 4/5 foot and 1/2 foot
*Tuesday, April 8, 2014 at 4:01pm*

**geometry**

48
*Tuesday, April 8, 2014 at 3:35pm*

**Geometry**

A regular octagon forms 8 congruent isosceles triangles, where the central angles are 360/8° or 45° each. Your second part cannot be answered since you gave no data. Let the radius be r and consider one of the triangles.. If the base is 2s, then s/r = sin 67.5° s...
*Tuesday, April 8, 2014 at 9:27am*

**Geometry**

#19. Given a regular octagon, find the measures of the angles formed by (a) two consecutive radii and (b) a radius and a side of the polygon.
*Tuesday, April 8, 2014 at 8:40am*

**Geometry**

Note that this is just a trapezoid with bases 3 and 8, and height 8. So, the area is (3+8)/2 * 8 = 44
*Monday, April 7, 2014 at 7:24pm*

**Geometry**

#7. Find the area of a polygon with the vertices of (-4,5), (-1,5), (4,-3), and (-4,-3).
*Monday, April 7, 2014 at 7:19pm*

**Math, Geometry**

See previous post: Fri,4-4-14,1:14 AM.
*Monday, April 7, 2014 at 4:46pm*

**geometry**

Please use this for the portfolio. You will need graph paper. 1. Start with Triangle ABC with vertices: A(0,2), B(2,5), C(3,0) 2. Find slope of side AB and BC 3. Now TRANSLATE the Triangle 4 units left, and 2 units up (x-4,y+2) and give the new vertices to find A', B'...
*Monday, April 7, 2014 at 4:44pm*

**Geometry**

D
*Monday, April 7, 2014 at 3:46pm*

**Geometry**

Name the property of equality that justifies that statement "If m<1 + m<2 = m<3 + m<4 and m<2 = m<4, then M<1 + m<4 = m<3 + m<4" A. Subtraction B. Transitive C. Symmetric D. Substitution
*Monday, April 7, 2014 at 11:52am*

**Geometry**

the same as for the area of a trapezoid.
*Sunday, April 6, 2014 at 1:25pm*

**Geometry**

what is the formula of a base area for a right trapezoidal prism?
*Sunday, April 6, 2014 at 9:35am*

**geometry**

Draw the picture r^2 = 5^2 + 21^2
*Sunday, April 6, 2014 at 6:34am*

**Geometry**

The slant height of the cone is the original radius of the paper circle. So, r = 10 The new circumference of the base is .6 of that, so 40% of the circle was lost. 40% of 360° is 144°.
*Saturday, April 5, 2014 at 11:03pm*

**Geometry**

A certain Circle of paper has x degrees cut out of it. The two cut edges are taped together, curling the paper up into a right circular cylinder of height 8 and with a base of radius 6. What is the value of x? A) 74 B) 90 C) 120 D )144 E) 200
*Saturday, April 5, 2014 at 8:44pm*

**Geometry**

These answers are both wrong. It is 73.5^3cm2
*Saturday, April 5, 2014 at 9:57am*

**Math, Geometry**

The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
*Friday, April 4, 2014 at 5:01pm*

**geometry**

3/4 * 100*32*8 ft^3
*Friday, April 4, 2014 at 3:37pm*

**geometry**

The length of a rectangle is one inch less than twice its width. The diagonal of the rectangle is two inches more than its length. Find the area of the rectangle
*Friday, April 4, 2014 at 2:16pm*

**geometry**

a a swimming pool having the shape of a rectangular solid has a length of 100 feet, a width of 32 feet,a depth of 8 feet. if the pool is 3/4 full with water,how many cubic feet of water are in the pool
*Friday, April 4, 2014 at 1:55pm*

**Geometry 1**

Find the distance between k(9,2) and l(-3,9) to the nearest tenth
*Friday, April 4, 2014 at 9:02am*

**Geometry**

m
*Thursday, April 3, 2014 at 11:18pm*

**geometry maths**

well, of course, the larger circle has radius 1. Draw a diagram of the upper right quarter of the square. Include half the diagonal of the square, which goes through the centers of the two circles (O and Q), which are tangent at point P. Draw a vertical diameter of the smaller...
*Thursday, April 3, 2014 at 7:41pm*

**Geometry**

well, duh - it's the area of the triangular base. If you're discussing prisms, you've surely already covered triangles, no?
*Thursday, April 3, 2014 at 7:20pm*

**Geometry**

Each lateral face is a rectangle. The trapezoid has four sides, possibly all different, so you have four rectangles. Then add the areas of the two trapezoidal bases.
*Thursday, April 3, 2014 at 7:19pm*

**Geometry**

what's the surface area of a right trapezoidal prism
*Thursday, April 3, 2014 at 5:46pm*

**Geometry**

what's the formula for the base area of a right triangular prism
*Thursday, April 3, 2014 at 5:45pm*

**geometry maths**

a circle of radius 1 is inscribed in a square. A smaller circle is tangent to two sides of the square and the first circle. Determine the radius of smaller circle and larger circle
*Thursday, April 3, 2014 at 1:24pm*

**geometry - wow**

heck, I don't even have a diagram!
*Thursday, April 3, 2014 at 10:57am*

**geometry - eh?**

a circle has only a radius, not an inradius and a circumradius.
*Thursday, April 3, 2014 at 10:55am*

**geometry **

a circle of radius 1 is inscribed in a square. A smaller circle is tangent to two sides of the square and the first circle. Determine the circumradius and inradius of the smaller circle
*Thursday, April 3, 2014 at 7:35am*

**geometry**

You are given a sheet of paper with the following diagram on it. You are also told that the two circles have the same radii and you are given a straight edge. Draw an isosceles triangle. N.B. you do not know where the centre of either circle is, you do not have any measuring ...
*Thursday, April 3, 2014 at 6:34am*

**geometry**

I'd say it's h 487 = 25/3 pi h
*Thursday, April 3, 2014 at 12:23am*

**Geometry**

let the chord AB = 2x then the diameter = 2x+2 or the radius = x+1 This allows me to draw a right-angled triangle with sides x and 9 and hypotenuse x+1 (x+1)^2 = x^2 + 9^2 x^2 + 2x + 1 = x^2 + 81 2x = 80 x = 40 AB = 80 check: diameter = 82 is 41^2 = 40^2 + 9^2 ? LS = 1681 RS...
*Wednesday, April 2, 2014 at 11:14pm*

**Geometry**

In circle O, chord AB is 9 inches from the center. The diameter of the circle exceeds the length of AB by 2 inches. Find the length of AB
*Wednesday, April 2, 2014 at 10:34pm*

**geometry**

The width will be 6 in.
*Wednesday, April 2, 2014 at 9:37pm*

**Geometry**

Idk
*Wednesday, April 2, 2014 at 2:14pm*

**geometry**

I really dont know its hard may you help me
*Wednesday, April 2, 2014 at 12:51pm*

**maths**

http://www.mathsisfun.com/geometry/symmetry-line-plane-shapes.html
*Wednesday, April 2, 2014 at 11:38am*

**GEOMETRY CIRCLES PLEASE**

equation 2x-3y=10 touches the circle with centre m (-2,4)
*Wednesday, April 2, 2014 at 6:26am*

**maths geometry**

let the distance of the shorter chord to the centre be x x^2 + 15^2 = 25^2 x^ = 400 , x = 20 let the distance between the longer chord and the centre by y y^2 + 24^2 = 25^2 y^2 = 49 , y = 7 so x+y = 27 the chords are 27 cm apart
*Tuesday, April 1, 2014 at 5:22pm*

**maths geometry**

Two parallel cords of a circle with radius 25 cm length of 30 cm and 48 cm. Find the distance between the two cords
*Tuesday, April 1, 2014 at 2:19pm*

**geometry**

as with any quadrilateral, you get a parallelogram. This topic is discussed here: http://jwilson.coe.uga.edu/EMT669/Student.Folders/Dozier.Cynthia/essay1/Essay.html
*Tuesday, April 1, 2014 at 1:46pm*

**geometry**

Draw a diagram, showing the altitude. Consider the sine of 1/2 the vertex angle. Its opposite side is half the base, and its hypotenuse is the slanting side. So, sin(θ/2) = 14/22
*Tuesday, April 1, 2014 at 1:41pm*

**geometry**

What is the vertex angle of an isosceles triangle with sides that measure of 22, 22, and 28 millimeters.
*Tuesday, April 1, 2014 at 1:38pm*

**geometry**

Find the midpoint of each side of the trapezoid. Connect the midpoints. What is the most precise classification of the quadrilateral formed by connecting the midpoints of the sides of the trapezoid?
*Tuesday, April 1, 2014 at 1:20pm*

**geometry**

What if you teacher reqiures to use the actual pie on the calculator instead of typing it in
*Tuesday, April 1, 2014 at 10:38am*

**geometry**

97.5
*Monday, March 31, 2014 at 10:35pm*

**geometry**

10^6 * 4/3 pi (.005^3) * 2 = pi/3 = 1.047 m^3
*Monday, March 31, 2014 at 7:20pm*

**Geometry**

http://www.jiskha.com/display.cgi?id=1396301143
*Monday, March 31, 2014 at 6:52pm*

**Geometry**

a hemispherical bowl with radius 25cm contains water whose depth is 10cm. what is the water's surface area
*Monday, March 31, 2014 at 6:49pm*

**Geometry**

I could also use the formula of a sphere
*Monday, March 31, 2014 at 5:57pm*

**Geometry**

equation of circle radius 25 : x^2 + y^2 = 25^2 = 625 now what is x when 15 cm from center (which is ten cm from surface)? x^2 + 225 = 625 x^2 = 400 x = 20 that is our radius at urface area = pi (20)^2 = 400 pi = 1257 cm^2
*Monday, March 31, 2014 at 5:35pm*

**Geometry**

I need help!!! a hemispherical bowl with radius 25cm contains water whose depth is 10cm. what is the water's surface area
*Monday, March 31, 2014 at 5:25pm*

**geometry**

Bubble wrap sells in sheets, and each sheet has 1 million individual spherical bubbles, each with a diameter of 0.01 m. What is the total volume of air contained in the bubbles of two sheets of bubble wrap? Round to the nearest tenth.
*Monday, March 31, 2014 at 3:44pm*

**Geometry**

The glide reflection Ry--x degree T <4,1> maps the P to (4,3). Find the coordinates of P. Please help I'm really confused.
*Monday, March 31, 2014 at 11:11am*

**no figure**

You can not copy and paste here so I can not see the geometry.
*Saturday, March 29, 2014 at 3:06pm*

**Geometry **

A lighthouse keeper in his observation tower 120 feet above the water sees a pontoon airplane and a small fishing boat. If the plane is directly above the boat, how far above sea level is the plane flying, rounded to the nearest foot? Be sure to show your work
*Friday, March 28, 2014 at 4:15pm*

**Geometry**

87m=SA 45m=V
*Friday, March 28, 2014 at 3:57pm*

**geometry**

18
*Friday, March 28, 2014 at 3:26pm*

**geometry**

Just go tell your teacher to !@#$%^& off cuz this !@#$%^& is stupid and dont nobody want to do this bull!@#$%^&..
*Friday, March 28, 2014 at 11:02am*

**Geometry**

You are missing one of the dimensions of the floor, its length Once you have that, Cost = 105 ( 33 * 1/2 * ??)/27 units of money where ?? in your length we divide by 27 since there are 27 cubic feet in 1 cubic yard If the concrete is sold in whole cubic yards, you will have to...
*Friday, March 28, 2014 at 10:10am*

**Geometry**

concrete costs 105 per cubic yard. plato is making a rectangular concrete garage floor measuring 33 feet wide by 6 inches thick. how much will the concrete cost?
*Friday, March 28, 2014 at 9:41am*

**geometry**

B If two sides are a and b, the third side c must obey a-b < c < a+b because any side must be less than the sum of the other two.
*Friday, March 28, 2014 at 12:37am*

**geometry**

sinG/g = sinJ/j sinJ = sin(125)/63*36
*Friday, March 28, 2014 at 12:34am*

**geometry**

| (3,2)\ | / \ | /(s,1) \|/ -----------------|------------------- /|\ / | \ | | In the accompanying figure, the slope of line k is t and the slpe of line m is negative t. What is the value of s? (the lines are perpendicular) (sorry for the ascii graph ^_^) (I have a test ...
*Thursday, March 27, 2014 at 10:07pm*

**geometry**

width of alley = 60 tan 40 so second building = 60 + 60 tan^2 40 =60 (1 + tan^2 40) = 110 ft
*Thursday, March 27, 2014 at 9:28pm*

**geometry**

ratio of ANY lengths in similar figures is the same 12/16 = 3/4 2. Ratios of ANY areas is length ratio squared 9/16 3. 54 * 16/9 = 96
*Thursday, March 27, 2014 at 9:22pm*

**geometry**

Two buildings are separated by an alley. Joe is looking out of a window 60 feet above the ground in one building. He observes the measurement of the angle of depression of the base of the second building to be 50 degrees and the angle of elevation of the top to be 40 degrees. ...
*Thursday, March 27, 2014 at 9:14pm*

**geometry**

The perimeters of 2 similar polygons are 12 and 16. 1. What is the ratio of the lengths of 2 corresponding sides? 2. What is the ratio of the areas? 3. If the area of the smaller polygon is 54 what is the area of the larger polygon?
*Thursday, March 27, 2014 at 9:07pm*

**geometry**

In triangle GHJ, GH=32, HJ=63, and m<G=125. To the nearest then, what is <J?
*Thursday, March 27, 2014 at 8:33pm*

**Geometry**

Thank you Steve.
*Thursday, March 27, 2014 at 8:24pm*

**Geometry**

In triangle ABC ,if A=38degre,B=27degre,b=17m find a and c?
*Thursday, March 27, 2014 at 8:08pm*

**Geometry**

8
*Thursday, March 27, 2014 at 8:01pm*

**geometry**

Mr. Franco is making a triangular cement slab and needs to set boards before he can pour the cement. He has already set two boards that are 5 feet and 8 feet in length. What is a reasonable range for the length of the third board that Mr. Franco could set for this triangular ...
*Thursday, March 27, 2014 at 7:41pm*

**Geometry**

given the three sides, with c being the largest, you know that the triangle is a right triangle if c^2 = a^2+b^2 if c^2 < a^2+b^2, then it's acute, and obtuse otherwise. So, start checking.
*Thursday, March 27, 2014 at 6:41pm*

**Geometry**

Given the lengths of the sides of a triangle, identify the triangle as acute, right, or obtuse. 37,12,34 5,12,13 20,21,28
*Thursday, March 27, 2014 at 6:13pm*

**Geometry**

C
*Thursday, March 27, 2014 at 2:10pm*

**Geometry**

I need help in this problem: A 14-foot ladder is leaning against a house so that its top touches the top of the wall. the bottom of the ladder is 8 feet away from the wall. which of these can be used to find the height of the wall? A. in a right triangle with 14-foot leg and ...
*Thursday, March 27, 2014 at 1:45pm*

**Geometry**

B Just add the components for X and Y
*Thursday, March 27, 2014 at 11:39am*

**Geometry**

not sure about your notation, but such a reflection takes (x,y) -> (-x,y)
*Thursday, March 27, 2014 at 11:33am*

**Geometry**

Write a rule in function notation to describe the transformation that is a reflection across the y-axis. A. Rx-0(X,Y) B. Ry-0(X,Y) C. Ry-x(X,Y) D. Rx--1(X,Y)
*Thursday, March 27, 2014 at 8:21am*

**Geometry**

If I have 64 ft what are all the dimension of the rectangular patios I can make using all 6 ft?
*Thursday, March 27, 2014 at 8:12am*

**Geometry**

What translation rule can be used to describe the result of the composition of T<-5,-3>(X,Y) and T<-7,-1> (X,Y)? A. T<12,-4>(X,Y) B. T<-12,-4>(X,Y) C. T<2,-2>(X,Y) D. T<-4,-12>(X,Y)
*Thursday, March 27, 2014 at 7:57am*

**Geometry**

16
*Wednesday, March 26, 2014 at 8:05pm*

**Geometry**

thank very much Steve
*Wednesday, March 26, 2014 at 3:56pm*

**Geometry**

2√((8-2)^2+(3+1)^2) = 14.4
*Wednesday, March 26, 2014 at 3:54pm*

**Geometry**

I need help in this question!!! CD has an endpoint at (2,-1) and a midpoint at (8,3). which measure is closest to the length of CD? A. 20.4 units B. 8.4 units C. 14.4 units D. 11.7 units
*Wednesday, March 26, 2014 at 3:48pm*

**geometry**

A = pi * r^2 A = 3.14 * 169 A = 530.66 sq. ft. 530.66 / 6 = ?
*Wednesday, March 26, 2014 at 1:56pm*

**geometry**

A circular garden is divided into 6 equal sections. The radius of the garden is 13 feet. Find the area of one of the sections.
*Wednesday, March 26, 2014 at 1:51pm*

**geometry**

if you want integer dimensions, then since 28 = 2^2 x 7 the mold must be 2x2x7 or 1x1x28
*Wednesday, March 26, 2014 at 12:00pm*

**Geometry**

(A) is just PQR (B) is PQR reflected in the line y=0 (C) is PQR rotated 180° about (0,0) or, reflected twice, across both axes (D) is PQR reflected in the line x=0 Not sure what your notation is supposed to indicate.
*Wednesday, March 26, 2014 at 11:50am*

**Geometry**

The vertices of a triangle are P(-3,8), Q(-6, -4), and R (1, 1). Name the vertices of R (smaller letters)y-0 (triangle PQR). A. P'(-3, 8), Q'(-6,-4), R'(1,1) B. P'(-3,-8), Q'(-6,4), R'(1,-1) C. P'(3,-8), Q'(6,4), R'(-1,-1) D. P' (3,8), Q...
*Wednesday, March 26, 2014 at 8:52am*

**geometry**

infinite number even if no curvy tops If it is rectangular then x^2 h = 28 h = 28/x^2
*Wednesday, March 26, 2014 at 6:37am*

**geometry**

If I need to make a mold with a square base with a volume of exactly 28 cubic centimeters how many possible molds could I make?
*Wednesday, March 26, 2014 at 6:27am*

**Pre Algebra**

http://www.mathsisfun.com/geometry/prisms.html
*Tuesday, March 25, 2014 at 9:22pm*

**geometry**

Pythagorean Theorem: a^2 + b^2 = c^2 12^2 + 14^2 = c^2 144 + 196 = c^2 340 = c^2 18.4 = c
*Tuesday, March 25, 2014 at 9:07pm*

**geometry**

Find the hypotenuse of a triangle with legs length 12 cm and 14 cm. Round to the nearest tenth
*Tuesday, March 25, 2014 at 8:53pm*

**Geometry**

x = (-2 + -3) /2 = -5/2 = -2.5 y = (1+2)/2 = 1.5 so ( -2.5 , 1.5 ) (which you could see on a quick sketch)
*Tuesday, March 25, 2014 at 5:17pm*

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