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Area of a sector of a circle is $\"\"$ .

Central angle of a circle is $\"\"$ .

Convert the central angle degrees measure to radians.

$\"\"$

Area of the sector : $\"\"$ .

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$

Radius of the circle is $\"\"$ cm. $\"\"$

Radius of the circle is $\"\"$ cm.