what will be the radius of a cylinder when its circumference is 132
Answers
Answered by
4
Answer:
ANSWER
Let 'r' be the radius of the cylinder. Circumference=132cm
2πr=132cm
2×
7
22
×r=132cm
∴r=
2×22
132cm×7
∴r=21cm
Volume of a cylinder=πr
2
h=
7
22
×(21)
2
×25=
7
22
×21×21×25=34,650cm
3
.
Step-by-step explanation:
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Answered by
1
Answer:
circumference= 2 pi r
132=2 *22/7*r
132/2=22/7 * r
66=22/7 *r
r=66*7/22
r=3*7
r=21 ans.
Step-by-step explanation:
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