Question

follow the steps to find the surface area of the rectangular prism. what is the total surface area? top and bottom: 240 cm² front and back: 140 cm² 168 cm² total sa: ?

Explanation:

Step1: Identify surface - area parts

The surface - area of a rectangular prism is the sum of the areas of all its faces. We are given the areas of three pairs of faces: top - bottom, front - back, and two side faces.

Step2: Calculate total surface area

Add the areas of the three pairs of faces together. The areas are 240 cm², 140 cm², and 168 cm².
$240 + 140+168$
$=548$ cm²

Answer:

$548$ cm²