FIND THE VOLUME AND TOTAL SURFACE AREA OF A RIGHT CIRCULAR SOLID CYLINDER WHOSE RADIUS AND HEIGHT ARE 7CM AND 30CM RESPECTIVELY
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Answer:
Given
Radius =7cm
Height =30cm.h
Volume =πr2h
=722×7×7×30
=154×30
=4620cm3
Total surface area of the cylinder =2πr(r+h)
=2×3.14×7×(7+10)
=43.96×17
=747.32cm2.
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