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The perimeter of a quarter circle is 2 radii plus a quarter of the circumference of the whole circle:

→ 2 × radius + ¼ × 2 × π × radius = 32.13 cm

→ radius × (2 + π/2) = 32.13 cm

→ radius = 32.13 ÷ (2 + π/2) cm ≈ 9.00 cm

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โˆ™ 2017-05-24 19:17:10
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โˆ™ 2017-05-23 09:05:48

It is 8.998 cm.

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Q: What is the quarter circle's radius if the perimeter of a quarter circle is 32.13 centimeters?
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