Math, asked by sahilnawaz99, 2 days ago

find the circumference of a semi-circle of diameter 20cm

Answers

Answered by alakh1981p4cigh

1

Step-by-step explanation:

diameter = 20 cm

radius = 20/2

= 10 cm

the circumference of a semi circle = π r + d

= 22/7 × 10 + 20

=220/7 + 20

=360/7

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