Self Assessment Test
1. Find the area and perimeter of a sector of a circle with radius 6 cm. If angle of the sector ,is 60 degree
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Answer:
Area of sectors = (60°/360°) x πr²
=(1/60) x 22/7 x 6² cm²
=66/35 cm²
Perimeter of sector = 6 + 6 + length of arc
= 6 + 6 (60°/360° x 2πr) cm
= 12 (1/60 x 2 x 22/7 x 6) cm
= 264/35 cm
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