A rectangular sheet of paper of dimensions 25 cm×22 cm is rolled along its width to form cylinder . Find the volume
Answers
Answered by
70
From the details,
Width=22cm.
Length=Height of cylinder=25cm.
2πr=22
r=7/2cm.
h=25cm.
Volume of cylinder=πr^2h
22/7×7/2×7/2×25.
9625cu.cm.
Width=22cm.
Length=Height of cylinder=25cm.
2πr=22
r=7/2cm.
h=25cm.
Volume of cylinder=πr^2h
22/7×7/2×7/2×25.
9625cu.cm.
sumittiwari0717:
But answer is 389. Somthing
Answered by
1
Answer:
since rolled along along its width 2 ×22/7×r=22 where Radius=3.5 cm, (7/2) .now use the formula :22/7×3.5×3.5×25 = 962.5 cm3
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