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Answered 2012-10-02 16:47:30

rectangle and octahedron

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The surface-area-to-volume ratio may be calculated as follows: -- Find the surface area of the shape. -- Find the volume of the shape. -- Divide the surface area by the volume. The quotient is the surface-area-to-volume ratio.


Surface Area: 2πr2 + 2πrh Volume: πr2h


to obtain the ratio of surface area to volume, divide the surface area by the volume.


It has no volume because it's a 2D shape but its surface area is:- length*perpendicular height


The volume of a cube = a3 The surface area = 6a2 (a=one side of the square in a cube)


The Surface area of a triangle = 0.5*base*height The volume of a prism = area of its cross-section*length


Write a c program to compute the surface area and volume of a cube


1) Calculate the area 2) Calculate the volume 3) Divide the area by the volume to get the ratio


To tackle this you first need to know the equations for both volume and surface area. The surface area of a cube is 6x2 where x is the side length. The volume of the cube is x3. Thus x is the cube root of the volume. We can substitute this in to the surface area equation and say that the surface area of a cube is 6volume2/3 This can also be rearranged to say that the volume of the cube is (the surface area/6)1.5


Make the height the subject of the fornula for the volume or surface area of the cylinder


By dividing its cross-section area into its volume


use algebra to find the radius, then plug the height and radius into the surface area equation


There are different formulae for different shapes.


Use the formula for volume to solve for the radius of the sphere and then plug that radius into the formula for the surface area of a sphere.


The surface area of the cube is 150 square meters.



From the surface area, calculate the length of each side: area = 6 x side2.Once you know this side, you can get the cube of it, to obtain the volume.


Take the cube root of the volume to get the length of an edge. Square this number to get the area of a side, Multiply this by 6 to get the total surface area of the cube.



Given a sphere of radius r, Surface area = 4{pi}r2 Volume = (4/3){pi}r3


As you would find the surface area of a normal shape using scale factors: to find the volume scale factor cubed, therefore to find the surface area of the hypercube, you do the scale factor to the power of four. geoffrz450@yahoo.co.uk


If you mean surface area, the answer is 197.372 mm2


If the diameter is 8.4 m and the height is 9.3 m, then:Total Surface Area = 356.26 m2Volume = 515.38 m3


The formula will depend on what it is that you are trying to find: the volume or the surface area.




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