Question

of if perimeter of protector is 72 CM calculate its area

Answer 1

22/7×r=72
r=7\22×72

area=22/7×1/2×r^2
=22/7×1/2×7/22×7/22=
=

Answer 2

protector is of semicircular shape. radius of protector is = 72x7/66
= 7.6cm

area of semicircle = pie r²/ 2
22/7 x (7.6)² / 2
= 90.76 cm²


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