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3 years ago

I need help with this.

Mathematics

1 answer:

Sloan [31]3 years ago

4 0

9514 1404 393

Answer:

61.4

Step-by-step explanation:

The length of two semicircles of diameter 10 is the circumference of a circle of that diameter:

C = πd = 10π ≈ 31.4

The perimeter includes that length plus the lengths of two straight sides that are 15 units each.

P = 31.4 + 2×15

P = 61.4 . . . . units

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