Question

a box has a length of 15 centimetres , a width of 22 centimetres, and a height of 9 centimetres.what is the surface area of the box

Answer 1

1326 cm²

Explanation:

1) Identify the equation of the surface area of a rectangular prism

`A = 2(wl + wh + hl)`

2) Input the corresponding values
`l=15 cm`;
`w=22 cm`; and
`h=9 cm` into the equation, and solve for the area

`A=2(wl+wh+hl)\\A=2((22)(15)+(22)(9)+(9)(15))\\A=2(330+198+135)\\A=2(663)\\A=1326 cm^(2)`

3) ∴
`A=1326cm^2`