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rosijanka [135]
3 years ago
8

Hello! Can you please help me on these two problems? =)

Mathematics
1 answer:
poizon [28]3 years ago
4 0

Yeah, I gotta read the questions better.

Perimeter not area.

diagonal length = √((28 - 12)² + (24 - 10)²) = 21.26

P = 12 + 10 + 28 + 24 + 21.26 = 95.26 units

sphere surface area = 4πR²

R = √(379.94 / 4(3.14) = 5.5 in

D = 2R = 11 inch

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