Question

combine the areas to find the total surface area. what is the total surface area? rectangle 1 (x2): 48 ft2 rectangle 2 (x2): 240 ft2 rectangle 3 (x2): 90 ft2 total surface area: ? ft2

Explanation:

Step1: Add the areas of all rectangles

$$48 + 240+90$$

Step2: Calculate the sum

$$48+240 = 288$$
$$288 + 90=378$$

Answer:

$378$