Question

The net of a square pyramid and its dimensions are shown.

What is the total surface area of the square pyramid in square feet?​

Answer 1

133²

Explanation:

To find the answer first multiply 7 by 6 and you will get 42. Multiply 42 by 2 and you will get 84. Now, multiply 7 by 7 to get 49 and finally, add 49 to 84 and you got you answer as 133²

Answer 2

Explanation:

Total surface area of a square pyramid = area of the base + 4(area of a triangular face)

The base has a square shape = area of a square = L² = 7² = 49 ft²

area of each triangle = 1/2 × base × height

area of each triangle = 1/2 × 7 × 6

area of each triangle = 42/2

area of each triangle = 21 ft²

Area of the 4 triangle = 21 × 4 = 84 ft²

Total surface area of a square pyramid = 49 + 84 = 133 ft²