Math, asked by pclal15, 10 months ago

4. Find the perimeter of a semicircular disc of diameter 30.8 cm.
[Hint: Perimeter of a semicircle = (pi + 2)] r)

Answers

Answered by kittumanya1

2

=(^ +2)r

=(22/7 +2)×30.8

=22+14/7×30.8

=36/7×30.8

=158.4cm

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