Question

A rectangular solid has sides of 4cm, 6cm, and 8cm. What is it’s surface area?

Answer 1

surface area =208 cm²

Explanation:

length = l, breadth=b, height= h

Surface area of a rectangular solid = 2( lb+bh+hl)

= 2(4*6+6*8+8*4)

=2(24+48+32)= 2(104)= 208 cm²