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16-07-2020
Mathematics

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What is the surface area of this regular pyramid? A. 230 in2 B. 304 in2 C. 480 in2 D. 544 in2

What is the surface area of this regular pyramid A 230 in2 B 304 in2 C 480 in2 D 544 in2 class=

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hersenschimme hersenschimme

16-07-2020

Answer:

B: 304in^2

Step-by-step explanation:

One triangle face: (8)(15) ÷ 2 = 60

Four triangle faces: 60 x 4 = 240

Bottom Face: (8)(8) = 64

Total Surface Area: Four triangle faces + Bottom Face

Total Surface Area: 240 + 64

Total Surface Area: 304in^2

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