Number of results: 26,181
Alg 1
Volume of rect. prism = area of base * height x = width of base of prism 2x + 4 = length of prism base 2720 = x(2x + 4) * 17
Sunday, April 14, 2013 at 5:02pm by Rosemary
math
ahhh, now you changed the wording. Let the width of rectangle be x then its length is 2x Volume of rectangular prism = (2x^2)(h) Volume of triangular prism = Area of base(h) area of base = Volume of triangular prism/h = Volume of triangular prism/(Volume of rectangular prism/...
Sunday, February 28, 2010 at 9:35am by Reiny
geometry
the base of a right prism is a rhombus whose diagonals are 6 in and 8 in. The altitude of the prism measures 10 in. Find the lateral area and the total area of the prism.
Saturday, March 13, 2010 at 4:09pm by Nico
algebra 1
The formula for the volume, V, of a prism is V = Bh, where B equals the base area, and h is the height of the prism. What is the height of a prism with base area 21 cm2 and volume 84 cm3?
Friday, February 15, 2013 at 2:26pm by lily
maths
the base of a solid right prism is a triangle whose sides are 9cm, 12cm and 15cm. The height of the prism is 5cm. Then the total surface area of the prism is.
Wednesday, March 28, 2012 at 1:36am by retangular prism
Grade 8 Geometry
In a triangular prism V=(1/3)x(Base Area)x(Height) To find Base Area in the case of triangular prism we use the formula for area of a triangle that is A=(1/2)x(L+W)
Saturday, May 15, 2010 at 12:22pm by Joe
geometry
find the lateral area and the total surface area of the right prism if the base of the prism is a right triangle whole legs meausure 5in and 12 in . and the altitude of the prism measure 8 in.
Saturday, March 13, 2010 at 4:05pm by Nico
math
The volume, V of a triangular prism is V=(1/2)(base*height of triangle)* height of prism The surface area, S is given by: S=(perimeter of base)*height of prism + base*height of triangle Post your answers for checking if you wish.
Wednesday, June 2, 2010 at 4:38pm by MathMate
Geometry
A right prism has bases that are squares. The area of one base is 81 square feet. The lateral area of the prism is 144 square feet. What is the altitude of the prism.
Wednesday, April 18, 2012 at 8:28pm by Sam
Geometry
How do you go about finding the lateral area of a trianglar prism? Ex: The base of a triangular prism is an equilateral triangle with a perimeter of 42 cm. If the height of the prism is 10 cm, find the lateral area. Thanks for the help in advance
Friday, January 15, 2010 at 11:45am by Nicole
geometry
triangular prism ---> base is a triangle pentagonal prism ---> base is a pentagon So clearly you can't use the triangular prism formula for this question , but you an generalize it looking what it describes. I don't know what they gave you, but the ...
Saturday, March 9, 2013 at 8:16pm by Reiny
geometry
the surface area of a prism is 120 sqaure cm and the area of each base is 32 square cm find the lateral area of the prism.
Tuesday, June 21, 2011 at 4:49pm by Dj
math
thanks anyone! A right prism has a polygonal base with n sides. Each side has a length of 5 in. The altitude of the prism is 20 in. If the base had n+1 sides, each still having a side of length 5 in, by how much, in square inches, would the lateral area of the prism increase ...
Tuesday, August 23, 2011 at 10:43pm by scott
math
the volume of a prism is 48 cubic centimeters. the area of the base of the prism is 8 square centimeters. what is the height of the prism? draw a picture
Thursday, January 26, 2012 at 9:18pm by claude
math
There are a number of prism shapes. In all cases the surface area of a prism is the area of the ends plus the area of the sides. Lets look at a regular triangle prism (i.e. a toblerone shape) with sides a and length l. The ends are equilitaeral triangles so the area is a^...
Monday, April 27, 2009 at 10:00am by Dr Russ
math
This is from the above site: "The lateral area L (area of the vertical sides only) of any right prism is equal to the perimeter of the base times the height of the prism (L = Ph)." If the perimeter of the base is 10 inches and the height is 3 inches, then the lateral...
Wednesday, May 14, 2008 at 12:41pm by Ms. Sue
geometry
Use formulas to find the lateral area and surface area of the given prism. The base of the prism is the rectangle with sides of length 13m and 5m. Show your answer to the nearest whole number.
Tuesday, August 9, 2011 at 12:46pm by Jacob
geometry
the base of a square prism has sides of 14in. What is the surface area of the prism
Sunday, March 14, 2010 at 1:25pm by NEL
geometry
Can anyone help me to solve this, please? A right prism has a polygonal base with n sides. Each side has a length of 5 in. The altitude of the prism is 20 in. If the base had n+1 sides, each still having a side of length 5 in, by how much, in square inches, would the lateral ...
Tuesday, August 23, 2011 at 9:44pm by scott
geometry
A prism has a right triangle as its base with a hypotenuse that measures 15 meters and legs that measure 9 meters and 12 meters. What is the surface area of this prism if the height of the prism is 11 meters?
Monday, March 5, 2012 at 10:09pm by Anonymous
math
volume of a prism: 1/3*area base*height so find the area of the base, the formula will vary if it is circle, square, triangle, or whatever.
Tuesday, April 1, 2008 at 8:39pm by bobpursley
math
by "area of a 3D prism" , do you mean the surface area of the shape, or did you mean volume ? Either way, you will have to be much more specific as to the kind of prism you are referring to. In general, the surface area would be the total of the areas of all the ...
Monday, April 27, 2009 at 10:00am by Reiny
mAth
story: Diego is building an architectural rendering of a house. For a portion of the roof, Diego cuts and folds a net for a triangular prism. the base of the prism is an isoceles triangle. the triangle has a base of 24 inches and a height of 5 inches. the distance between the ...
Wednesday, March 6, 2013 at 6:00pm by MaRk
Grade 8 Geometry
to calculate volume you use the formula V= area of b.s.(base area) x h(height) - How can I tell what face is the "base shape", especially with a triangular prism?
Saturday, May 15, 2010 at 12:22pm by Selena
Math
A triangular prism has an equilateral triangle as its base. The base of the triangle is 10cm and its height is 10cm. The length of the prism is also 10cm. Find it's surface area
Monday, December 3, 2012 at 11:32am by Cherie
arithmetic
The base of a solid right prism is a triangle whose sides are 9cm,12cm and 15 cm.the total surface area of the prism.
Tuesday, August 30, 2011 at 6:33am by niraj
geometry
the base of a right triangular prism has a width of 8 inches and a height of 6 inches. the length of the third side of the triangle is 10 inches and the length of the prism is 12 inches. What is the surface area of this prism?
Monday, December 26, 2011 at 4:46pm by julissa
Pleass Help With MATH
Read this story to answer the following questions: Diego is building an architectural rendering of a house. For a portion of the roof, Diego cuts and folds a net for a triangular prism. the base of the prism is an isoceles triangle. the triangle has a base of 24 inches and a ...
Wednesday, March 6, 2013 at 7:27pm by Mark
geometry
The volume of an oblique prism is the base area times the height, but you have not specified the shape of the base. If the base is a rectangle, multiply the three numbers.
Sunday, January 13, 2008 at 1:31am by drwls
Math
A rectangular prism has a volume of 960cm. It's width, length, and height are in the ratio 3:5:8. A) Determine the dimensions of the prism B) What is the ratio of the left side to the front to the top of the prism by surface area? C) Calculate the surface area of the prism.
Sunday, May 15, 2011 at 9:54pm by Annika
geometry
You have a rectangular prism. The center section has been removed. The base of the original prism is 6in wide and 8in long. The height of the prism is 10in. What is the total exposed surface are of the new prism?
Tuesday, May 8, 2012 at 12:50pm by Piggy
Math
A rectangular solid has a base area of 43.3 sq inches and a height of 50 inches a triangular prism has a base in the shape of an equilateral triangle and a height of 50 inches. the volumes for both shapes are equal. find the side of the equilateral triangle for the base of the...
Saturday, May 12, 2012 at 6:43pm by Joshua
geometry
a circular cylinder has a base with a radius of 7.5 cm. and a height of 12 cm. a rectangular prism has a square base and height of 8.0 cm. if the cylinder and the prism have equal volumes, what is the length of the base of the prism to the nearest tenth?
Tuesday, May 29, 2012 at 5:43pm by Andrea
geometry
A right pentagonal prism is 10 cm high. If the area of each pentagonal base is 32 cm squared and the perimeter is 20 cm, what are the lateral and total surface areas of the prism? I tried doing this using the formula shown in my book, but it came out wrong. the formula I was ...
Saturday, March 9, 2013 at 8:16pm by tmouery
Geometry
The base of the prism is a rectangle with sides 13 m and 5 m in length. Find the lateral surface and surface area of the given prism.
Saturday, May 5, 2012 at 1:03pm by JC
surface area & volume
well, you do have a problem. Unless they give you the height of the prism, you're stuck. It's like asking for the area of a rectangle if they only give you the length. The prism is a 3D figure, and they have only given you the information on the base.
Monday, November 12, 2012 at 10:01am by Steve
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 by Gigi
Geometry/Math again!
The base of a prism is a regular hexagon that measures 4 cm on each side. The prism has a height of 13 cm. What is its total surface area?
Monday, May 21, 2012 at 9:57pm by Lex
Algebra
what is the surface area of a rectangular prism with a base area 15m2, height 3m, and lateral area 18m2?? This is my question !!! PLEAS ANSWER
Wednesday, March 10, 2010 at 1:10am by rachaekl
geometry
basis of a right prism is a rhombus with a diagonal 8cm and 6cm.the prism height i is 12cm.find:a)the general area of prism.b)the side of prismsusurface.diagonals cutting surfaces.c)prism volume.
Tuesday, May 4, 2010 at 3:19pm by Anonymous
geometry
The height of an equilateral triangular prism increases by one unit. The new lateral area is more than the original by how much? Answer the perimeter of the base the area of the base the height the area of one lateral face
Monday, May 21, 2012 at 12:32pm by Leah
Solid mensuration
The bases of a triangular right prism are apart. find the volume and the total surface area of the prism if one side of the quilateral triangular base measures 6cm
Thursday, April 25, 2013 at 9:34am by Allen
geometry
A right prism has a square base. The perimeter of the base is 24 m. and the height is 10 m. What is the surface area
Monday, August 6, 2012 at 9:11pm by Anonymous
math
THE VOLUME OF A RECTANGULAR PRISM IS 140 CUBIC FT. THE LENGTH OF THE BASE IS 7FT AND THE WIDTH OF THE BASE IS 4FT. WHAT IS THE HEIGHT OF THE PRISM?
Tuesday, March 20, 2012 at 6:27pm by ely
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 by Gigi
math/algebra
the base of a rectangular prism has an area of 15.3 square inches and a volume of 185.13 cubic inches. write an equation that can be used to find the height of the prism, then find then height of the prism. Please help, asap!!!!
Thursday, April 14, 2011 at 6:39pm by bob, Please Help,ASAP!!!!
math
Volume of a prism is the base area times height. Base area = 56 in² height = 6 inches Volume = ? inch³
Monday, January 31, 2011 at 9:33pm by MathMate
Geometry
A paperweight in the shape of a triangular prism has a height of 3 inches. its volume is 18 cubic inches. what is the area of the triangular base of the prism?
Tuesday, April 3, 2012 at 5:07pm by Nataly
math
the volume of a triangular prism is 226.08 cubic inches. if the area of the base is 28.26 square inches, what is the height of the triangular prism?
Monday, February 11, 2013 at 8:17pm by kassie
math
area of any prism = area of base x height
Tuesday, April 1, 2008 at 8:36pm by Reiny
Geometry
5cm is one side of base height is 4cm base has 4 sides shape is a prism find lateral area and volume
Wednesday, March 4, 2009 at 7:07pm by Amy
math
Here's your original question. the volume of a triangular prism is 226.08 cubic inches. if the area of the base is 28.26 square inches, what is the height of the triangular prism?
Monday, February 11, 2013 at 9:14pm by Ms. Sue
Geometry
What is the formula for finding the surface area of a right rectangular prism? (ex: The base of a right rectangular prism is 10 ft by 7 ft. The height is 3 ft. Find the surface area)
Thursday, January 14, 2010 at 11:50pm by Cara
Algebra!!
1)volume of a ctlinder: 198mm Radius base: ?? Height of cylinder: 7mm 2)Volume of a triangular prism:60 cu yd Length of base: ?? Height of base: 6m Height of prism: 2m
Saturday, March 31, 2012 at 1:36am by Renee
Algebra
Volume of a triangular prism:1000 cu ft Length of base: ?? Height of base: 2ft Height of prism:40ft
Saturday, March 31, 2012 at 2:13am by Jessie
Goemetry
A prism has an equilateral triangle for its base. One side of the base measures 12 ft and the altitude of the prism is 6 ft. Find the volume.
Thursday, June 3, 2010 at 12:42pm by Ariel
Algebra!!
#3 By triangular prism , I understand it to be a triangular base. You have given me only 2 sides of the base, unless the two sides are sides of a right-angled triangle, I cannot find the area of the base. So I will assume it is right-angled..... area of base = (1/2)(10)(15) = ...
Saturday, March 31, 2012 at 1:18am by Reiny
Geometry
Please Help thanks _____________________ Two similar rectangular prism have corresponding sides that measure 5 feet and 6 feet. If the surface area of a smaller prism is 525 square feet, what is the surface area of a larger prism?
Thursday, July 24, 2008 at 2:58am by Joe
Geometry
Please Help thanks _____________________ Two similar rectangular prism have corresponding sides that measure 5 feet and 6 feet. If the surface area of a smaller prism is 525 square feet, what is the surface area of a larger prism?
Thursday, July 24, 2008 at 2:56am by Joe
3rd grade
WHAT is a prism?The different shapes that make a prism and finally what prism can you make with a pentagon base?
Friday, May 21, 2010 at 7:50am by Desteni
Algebra
Volume = (1/2) b h L = L*(base area) If 40 ft is the LENGTH L of the prism, the base area is 1000/40 = 25 ft^2. Then, since (1/2) b*h = 25 base length b = 25*2/h = 25 ft (if h = 2 is the base height)
Saturday, March 31, 2012 at 2:13am by drwls
arithmetic
not enough information, you didn't give the height of the prism. Since the base is a right-angled triange, (9^2 + 12^2= 15^2), the area of the base is (1/2)(9)(12) = 54 cm^2 Once you know the height h, the total surface area would be 2(54) + 9h + 12h + 15h
Tuesday, August 30, 2011 at 6:33am by Reiny
math
A right rectangle and a right triangle prism have the same height. If the lenght of the side of the rectangle base is twice the width, explain how to determine the area of the triangular base in terms of the rectangle base length.
Sunday, February 28, 2010 at 9:35am by Donna
math
a right rectangle and a right triangle prism have the same height. If the lenght of the side of the rectangle base is twice the width, explain how to determine the area of the triangular base in terms of the rectangle base length.
Saturday, February 27, 2010 at 5:01pm by Donna
Math
The surface area of a prism consists of two parts: 1. area of the bases 2. area of the sides. Even without knowing the dimensions of the bases, the area of the sides can be calculated if the perimeter is known: Side area = perimeter of base * height = 36 inches * 8 inches = ...
Thursday, February 24, 2011 at 10:43pm by MathMate
geometry
a rectangular prism has a volume of 132 cubic centimeters . the length of the base is 4 centimeters and the widtyh of the base is 3 centimeters, what is the height of the prism?
Wednesday, January 12, 2011 at 1:25am by steph
Math
oh whoops no i didnt.lol. ok, so surface area is when you take the area of each face, and add it up. lateral area is like the surface area of an object, but the measurements of the base are not counted on lateral area. so, to solve this, you do: 257 sq in(surface area) -201 sq...
Wednesday, May 18, 2011 at 7:18pm by Fabienne
math
Lateral area= Permimeter of the base * height of prism.
Thursday, March 3, 2011 at 11:16am by MathMate
math
the base of a rectangular prism is congruent to the base of a pyramid. the height of the pyramid is 3 times the height of the prism. which figure has a greater volume?explain.
Thursday, May 19, 2011 at 11:06pm by charolette
Volume of a rectangular prism
base area 56in,height 6in
Monday, March 1, 2010 at 5:27pm by gf
Volume of a rectangular prism
base area 56in,height 6in
Monday, March 1, 2010 at 5:27pm by yulissa
MATH
let height of prism be h let height of pyramid be 3 h, (they said so.) volume of prism = (base)(h) volume of pyramid = (1/3)(base)(3h) = (base)(h) They are the same !
Wednesday, May 18, 2011 at 5:41pm by Reiny
math
what is the volume of a triangle prism with a base area of 24ft*2 and a height of 18ft
Friday, March 30, 2012 at 6:30pm by jack
algegra
what is the volume of each rectangular prism. base area 56 in squared,height 6 in
Sunday, September 19, 2010 at 8:25pm by devrick
geometry
A rectaungular prism has a volume of 360 inches cubed. What base measurements could the prism have?
Monday, April 9, 2012 at 9:18pm by Tyler
math
How do I know which side is the base of a triangle? I'm trying to find surface area of a trianglular prism.
Monday, April 30, 2012 at 3:13pm by charlotte
MATH
FIND THE RECTANGULAR PRISM. BASE AREA 56 IN 2 [SQUARED], HEIGHT 6IN. HELP!
Tuesday, March 20, 2012 at 7:06pm by TONYA
geometry
The surface area of the prism is the sum of all its surfaces. The top and bottom have the same shape, namely a right triangle with sides 6,8 and 10. So that should not cause difficulties since the base and height of these two triangles are 6 and 8 respectively. There are three...
Tuesday, July 28, 2009 at 9:50pm by MathMate
altgeld
the base of rectangular prism has a length of a m and a width of 4 m. if the volume is 64 cubic meters, what is the height of the prism?
Tuesday, October 19, 2010 at 10:07pm by lasean
math grade 8
Hi! I have to sketch 3D shape of the house using triangular prism, rectangular prisms, cube, and cylinder.I have to include measurement calculations with formulas. I already did it all, but someone told me that the SA (surface area) of my house calculated wrong. What I did is...
Sunday, May 19, 2013 at 9:31am by mark
math
v(prism) = base * height v(pyramid) = 1/3 base * height = 1/3 v(prism)
Monday, September 10, 2012 at 10:43pm by Steve
Math
The surface area of a rectangular prism is 10.4 in2. What is the surface area of a similar prism that is larger by a scale factor of 3? I am tearing my hair out over this question! Please help asap!
Thursday, May 5, 2011 at 6:22pm by Kat
MATH
the base of a rectangular prism is congruent to the base of a pyramid. The height of the pyramid is 3 times the height of the prism. Which figure has a greater volume? Explain. I'm terrible with these kind of word problems. If you could explain that would be great.
Wednesday, May 18, 2011 at 5:41pm by audrey
math
the base of a rectangular prism is congruent to the base of a pyramid. The height of the pyramid is 3 times the height of the prism. Which figure has a greater volume? Explain. I'm terrible with these kind of word problems. If you could explain that would be great.
Wednesday, May 18, 2011 at 5:33pm by audrey
Algebra
The area of D will be (6/5)² times the area of C, which is (6/5)² x 47.6"² = 68.544"² (don't forget that you need to square that factor of (6/5), because it applies to both the base AND the height). The base of D is 6.72", and the area of...
Monday, September 1, 2008 at 2:09pm by David Q
surface area & volume
How can I find the surface area and volume of a hexagonal prism if I don't know the height, only apothem and one side of the base? Thank you!
Monday, November 12, 2012 at 10:01am by Ashley
Algebra-right question for Jai
the volume of a triangular prism is given by V = (1/2)*(B*H*L) where B = base H = height L = length thus the new volume becomes, V' = (1/2)*(2*B)(2*H)*L V' = 2*(1/2)*(B*H*L) or V' = 2*V thus the new volume is twice the original. note that first statement is tricky...
Sunday, May 15, 2011 at 9:23am by Jai
math
find the volume of the rectangular prism: base area 56 in2, height 6 inches
Monday, January 31, 2011 at 9:33pm by matthew
math
What si the volume and surface area of a triangular prism with the dimensions of a 2.5 base, 2.5 height, and 7 length
Wednesday, June 2, 2010 at 4:38pm by bob
Geometry
ABCA1B1C1 is a prism which has regular triangles in the bases. The side of the prism has the length "a". The side AA1 makes equal angles with the sides of the base AB and AC, these angles have the value "alfa". We know that AA1 has the length "b"...
Sunday, November 30, 2008 at 12:45pm by Frost Boost
Geometry
We have a triangular prism that has the following characteristics. It has a volume of 360 cubic inches. The base of the triangle is twice the height of the triangle. The difference between the height of the prism and the height of the triangle is 4 inches. The height of the ...
Thursday, May 20, 2010 at 5:12pm by Brett
math
Chloe used 30 toothpicks as edges to make a model for a prism. How many sides did the base of her prism have? How many vertices?
Sunday, January 30, 2011 at 2:58pm by joe
Algebra
rectangular prism with base perimeter 30 cm, base area 50 cm^2, and height 150 cm. Choices are: A. 7,560 cm^2 B. 4,600 cm^2 C. 1,800 cm^2 D. 4,550 cm^2
Monday, March 19, 2012 at 2:31pm by Samantha
geometry
How do you find the lateral area and surface area of a right prism whose height is 10 ft and whose base is a rombus with diagonals 12 ft and 12sq root of 3 ( DON'T KNOW HOW TO PUT SQROOT 3 IN)
Saturday, May 21, 2011 at 9:23am by JOY
geometry
What you are calling a cuboid is what was called a rectangular prism when I went to school. It has width W, length L and height H. See http://www.mathsisfun.com/cuboid.html Total surface area is 2(WL+ WH + HL) = 40 Lateral surface area (4 sides) is: 2(WH + HL) = 26 Therefore (...
Monday, December 17, 2012 at 4:43am by drwls
geometry
Find the surface area of the solid. A right triangular prism with base edges of lengths 6, 8, and 10 and height 2
Tuesday, July 28, 2009 at 9:50pm by Gabby
math
how do you find the surface area of a prism? and the volume of a rectangular prism?
Sunday, January 10, 2010 at 7:03pm by dawn
math
I suspect you are missing something in the problem statement but the base seems to be square, 2 by 2 so the base area = 4 then the volume v is 1/3 *the area of the base * the height v = (1/3)4 h I assume the surface area you mean is the area of the sides, not including the ...
Wednesday, January 5, 2011 at 9:52am by Damon
math
A rectangular prism has a volume of 8 cubic yards. Assume the dimensions are whole numbers. What dimensions yield a prism with the greatest surface area? the leaset surface area?
Tuesday, November 30, 2010 at 10:46pm by Mally
math
4 m below the apex, the area of a section is (4/10)^2 * (base area) Assuming the base is an equilateral triangle, the base area is (4.5/2)*sqrt3 = 3.897 m^2 Thus A = 0.6235 m^2
Tuesday, September 20, 2011 at 7:16am by drwls
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