1.

Find the area of a quadrant of a circle whose circumference is 44 cm.

Answer» circumference of the circle= 44cm2πr=442×22/7×r=4444/7×r=44r=44×7/44r=7cmar. of quadrant= 1/4πr² =1/4×22/7×7² =77/2 =38.5(hope this is correct)
First use circumference then area of quadrant which is 1/4 pie (r)2 then solve easily


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