If the perimeter Of a sector of a circle of radius of 5.7cm is27.2cm then find area of sector
noor61:
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Length of the arc = 27.2 - (5.7 + 5.7)
= 15.8 cm
Circumference of the Circle = 2 × (22/7) × 5.7
= 35.82 cm
Angle subtended by the radius of the sector = (15.8/35.82) × 360°
= 0.44 × 360°
= 158.4°
Area of the sector = (22/7) × 5.7 × 5.7 × 0.44
= 44.92 cm²
-WonderGirl
= 15.8 cm
Circumference of the Circle = 2 × (22/7) × 5.7
= 35.82 cm
Angle subtended by the radius of the sector = (15.8/35.82) × 360°
= 0.44 × 360°
= 158.4°
Area of the sector = (22/7) × 5.7 × 5.7 × 0.44
= 44.92 cm²
-WonderGirl
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