the area of quadrant of a circle is 77/8 cm square. Calculate its perimeter
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3.14 r^2= 77/8
r=1.7
perimeter = 2 pi r
=2 ×3.14× 1.7
=10.76
r=1.7
perimeter = 2 pi r
=2 ×3.14× 1.7
=10.76
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