Verified Answer :

W0lf93

A rectangular prism has four lateral surfaces. If the sides of the base are L and W, two of the lateral surfaces are rectangles of side L and H, and the other two are rectangles of sides W and H. Then, the lateral area is the sum of the areas of the four lateral rectangles: 2 L H + 2 W H= 10 4 = 2 10 4 + 2 5 4 = 240 + 2 * 20 = 80 + 40 = 120.

Answer:180

Step-by-step explanation: the correct answer is 120 but on k12 it is 180. Just took the test