A fish tank, with no top, is made of glass. Howmany square inches of g

1.	A fish tank, with no top, is made of glass. Howmany square inches of glass was needed tobuild the tank if its length is 13 inches, widthis 8 inches, and height is 6 inches?
Answer» Given,Length l = 13 inches, Width b = 8 inches, Height h = 6 inches Then required surface area of fish tank= 2(lh + bh) + lb= 2(136 + 86) + 138= 2(78 + 48) + 104= 2*126 + 104= 256 + 104= 360 sq inch

A fish tank, with no top, is made of glass. Howmany square inches of glass was needed tobuild the tank if its length is 13 inches, widthis 8 inches, and height is 6 inches?

Answer»

Given,Length l = 13 inches, Width b = 8 inches, Height h = 6 inches

Then required surface area of fish tank= 2(l*h + b*h) + l*b= 2(13*6 + 8*6) + 13*8= 2(78 + 48) + 104= 2*126 + 104= 256 + 104= 360 sq inch