A 20° sector in a circle has an area of 21.5π yd². What is the area of the circle?

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asked Mar 17, 2018 188k views

2 Answers

Harsha R · Answer 1 · 2018-03-17T22:01:15+0000

A full circle is 360 degrees, so 20 is 1/18 of that. The total area will be 18 times as big, ie., 18 × 21.5π yd² = 387π yd².

Unclear why the yd² is in here... did you leave anything out?

A 20° sector in a circle has an area of 21.5π yd². What is the area of the circle?

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