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Vera_Pavlovna [14]
3 years ago
12

A circle has a sector with area 27 and central angle of 120

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
6 0

Answer:

81π

Step-by-step explanation:

-The sum of central angles in a  circle add up to 360°.

-Let x be the area of the circle.

-Given the area of a 120° is 27π, the circles area can be calculated as:

A=27\pi\\\\120\textdegree=27\pi\\360\textdegree=x\\\\\therefore x=\frac{360\textdegree\times 27\pi}{120\textdegree}\\\\=3\times 27\pi\\\\=81\pi

Hence, the area of the circle is 81π

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Step-by-step explanation:

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