Math, asked by rockingrohit6225, 1 year ago

find the perimeter of a circle with radius 21cm and center O

Answers

Answered by omprakash5744
4

Answer:

answer is 132 cm

Step-by-step explanation:

given:

radius of circle = 21 cm

perimeter of circle = circumference of circle

circumference of circle = 2πr

=2×22/7×21

=132 cm

so circumference or perimeter of circle is 132 cm

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