What is the formula for suface area?

Answer 1

The is no "the" equation. The answer depends on what you require: area, perimeter, lengths of sides, length of diagonals, angles made by diagonals, etc and on what information you have (again, the same list).

Answer 2

The formula for the surface area of a rectangle is:

A = l x w

where A is area, l is length, and w is width.

Answer 3

Hi,

Surface Area formula of cube is 6a2.

Answer 4

2(pi)(r)(h) r= radius and h = height

Answer 5

area divides by length

Answer 6

2l+2w