what is the perimeter of sector of a circle whoes centre angle is 90 and radius is 7 cm
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Perimeter of sector = Length of the arc of sector ⇒ Ф/360° × 2πr
Perimeter of sector = Ф/360° × 2πr
= 90°/360° × 2 × 22/7 × 7
= 11 cm
:) Hope this Helps !!!!
Perimeter of sector = Ф/360° × 2πr
= 90°/360° × 2 × 22/7 × 7
= 11 cm
:) Hope this Helps !!!!
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