1. Find the circumference of the circle whose radius
is:
(a)21 cm
(b) 35 cm
© 63 m (d) 49 m
plz ans this question who will ans this first I will make him or her brainlist but the ans is right and with explanation
Answers
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a. 132 cm
b. 220 cm
c. 396 cm
d. 308 cm
Answered by
1
(a) circumference =2πr
=2×22/7×21
=44×3
=132 m
(b) c=2πr
2×22/7×35
44×5
220 m
(c) c=2πr
2×22/7×63
44×9
396 m
(d) c=2πr
2×22/7×49
44×7
308 m
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