Math, asked by dhruv3k15, 16 hours ago

1. Find out the circumfence and area of a half circle of diameter 21 cm.(π=22/7

Answers

Answered by pandeyaniket205

0

Answer:

132cm

Step-by-step explanation:

circumference of circle =2πr

=2×22/7×21

=2×22×3

=44×3

=132cm

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