Find the area of segment of the circle if the angle of sector is 90° and the radius of the circle is 21 cm
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the area of segment of circle=90°/306°πr square
=1/4*22/7*21*21
=66*21/4
=346.5cm square
the area of segment of circle=90°/306°πr square
=1/4*22/7*21*21
=66*21/4
=346.5cm square
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