A circle of radius 70cm is divided into 5 equal sector find the area of each of the sector?
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Answer:
Radius of the sector r = 70 cm
Number of equal sectors = 5
:: Central angle of each sector =
360°
n
0° = 360°
0° = 72°
0°
Area of the sector = 2 X π sq. units X π X 70 x 70 cm² 360° 72⁰° 360° =
Hint:
72 × π × 70 × 70
360
= 14 × 70 × сm²
=
980 cm²
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