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Karo-lina-s [1.5K]
3 years ago
15

If a circle has a radius of 9 and a sector defined by a 254 degree arc, what is the area of the sector

Mathematics
1 answer:
myrzilka [38]3 years ago
8 0
The answer is 179.451 or 1143π/20.

The arc is 254°.  A circle is 360°.  This means the arc makes up 254/360 of the circle.  We will multiply this fraction by the area of the circle, which is 

A = πr² = π(9)² = 81π = 254.34

81π(254/360) = 20574π/360 = 1143π/20 = 179.451
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