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What is the surface area of 12 in by 8 in by 3 in?
Total surface area = 2*(12*8 + 8*3 + 3*12) = 312 square inches.Total surface area = 2*(12*8 + 8*3 + 3*12) = 312 square inches.Total surface area = 2*(12*8 + 8*3 + 3*12) = 312 square inches.Total surface area = 2*(12*8 + 8*3 + 3*12) = 312 square inches.
What is the surface area of a cereal box with measurements of 8 in 11in and 3 in?
The surface area is 2*(8*11 + 11*3 + 3*8) square inches = 2*(88 + 33 + 24) sq inches = 290 square inches.
Find the surface area of a cylinder with a radius of 3 inches and a height of 8 inches?
(3.14....) x (3^2)x(8) = 226.19
What is the surface area of a rectangular prism with 3in x 4in x 8in?
Surface area of a rectangular prism is equal to 2LW+2LH+2HW. So for this object: 2*3*4+2*3*8+2*8*4=24+48+64=136 square inches.
Do solids that have the same volume have the same surface area?
Not necessarily. Having the same volume does not mean having the same surface area. As an example, if you were to take a sphere with volume 4/3*pi*r^3, and a suface area of 4*pi*r^2, and compare it to a cube with sides 4/3, pi, and 4^3, you would find that they had a different surface area, but the same volume. Let the radius of the sphere be 2, that is r = 2. In this case the surface are of the sphere is about 50, and the surface are of the cube is about 80. So a sphere and a cube, both with a volume of about 33.51 (4/3 * pi * 8), have different surface areas.
