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densk [106]
2 years ago
15

Find the total surface and each pyramid. Round to the sea SHOW YOUR WORK!

Mathematics
1 answer:
Colt1911 [192]2 years ago
8 0

Answer:

328 square inches

PLZ MARK AS BRAINLIEST

Step-by-step explanation:

Lateral Area of Pyramid:

L = 1/2P<em>l</em>

<em>l</em> = 15.9

P = 2(8.2) + 2(8.2) = 32.8

L = 1/2(32.8)(15.9) = 260.76

Surface Area:

SA = B + L

B = (8.2)(8.2) = 67.24

L = 1/2(32.8)(15.9) = 260.76

SA = 67.24 + 260.76 = 328

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