6) The diameter of a circle is 21 cm.
Find its circumference.
Answers
Answered by
1
Answer:
66 feet
Step-by-step explanation:
2πr=cicumference
2×22/7×10.5
66
Answered by
3
Answer:
66cm
Step-by-step explanation:
GIVEN:-
d=21cm
r=21/2
=10.5cm
circumference of a circle=2πr
=2×22/7×10.5
=44/7×10.5
=44×1.5
=66cm
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