16) Find the surface area of a square pyramid: square base is 3 centimeters by 3 centimeters and the slant height is 4.6 centimeters.

73.2 cm

Step-by-step explanation:

area = 2 bases + 4 sides

area = 2× 3×3 + 4× 3×4.6

area = 2×9 + 4×13.8

area = 18 + 55.2

area = 73.2 cm

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step-by-step explanation:

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8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.