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DENIUS [597]
3 years ago
12

Find the surface area of the regular pyramid. Write your answer as a decimal.

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
4 0

Answer:

322.5 in²

Step-by-step explanation:

1 base triangle + 3 top triangles

(½×15×13) + 3(½×10×15)

322.5

Llana [10]3 years ago
4 0

Answer:

the answer is attached to the picture

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