3 years ago

The perimeter of a semicircle is 51.4 meters. What is the semicircle's radius? Use 3.14 for .

1 answer:

4 0

We have:

Rπ = 51.4 ⇒ R = 51.4 : π ≈ 51.4 : 3.14 = 5140 : 314 ≈ 16.36 meters

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3 years ago

The perimeter of a semicircle is 51.4 meters. What is the semicircle's radius? Use 3.14 for ​.