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3 years ago

Find the surface area of the pyramid. The side lengths of the base are equal.

Mathematics

1 answer:

ANTONII [103]3 years ago

7 0

Answer:

195.6

Step-by-step explanation:

area of base= 1/2 * 8 * 6.9 = 27.6

area of lateral face= 1/2 * 8 * 14 = 56

total surface area = 27.6 + 56 + 56 + 56 = 195.6

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