total surface area of a rectangular prism with a height of 2, a width of 6 and a length of 5

Question

rectangular prism

Answer 1

Surface area of rectangular prism is 2(lb+hb+lh)

Here l = 5, b= 6, h = 2

Surface area = 2(5*6+6*2+2*5)

= 2(30+12+10)

= 2(52)

= 104