Question

the. circumference of the base of right circular cylinder is 314cm.if it's height is 21cm. find its volume
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Answer 1

Hi...

here..,

2pi r=314

●●>>>pi r=157

..r =49.95

...given height is 21 cm..

◆◆ Now volume of cylinder = pi r *2 h

.......3.14 ×2472.75×21=163053.135 cm*3{approx}

◆◆Hope it helps...:)