Question

What is the surface area of a right rectangular prism with a length of 5.2 mm, a width

of 4.9 mm, and a height of 9.1 mm?

Answer 1

Solution

A=2(wl+hl+hw)=2·(4.9×10-3·5.2×10-3+9.1×10-3·5.2×10-3+9.1×10-3·4.9×10-3)≈2.3478×10-4m²

Explanation: