Find the perimeter of a semicircular disc of diameter 30.8 CM
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Answered by
10
=22×30.8÷2×7×2
=11×15.4÷7
=24.2
Answered by
2
Answer:
Perimeter=πd
=π*30.8
=22/7*30.8
=22*4.4
=96.8
=96.8/2
=48.4
perimeter of a semicircular disc=48.4+d
=48.4+30.4
78.8 cm
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