Question

Easy Questions!

1. find the volume and total surface area of a right ,circular,solid cylinder whose radius and hight area,respectively, are 14 cm and 20 cm.

2. In the attachment!!! ​

Answer 1

Answer:

Given

Radius =7cm

Height =39cm

Volume = πr 2 h= 7/22 ×7×7×30=154×30=4620cm 3

Now, Total surface area of the cylinder =2πr(r+h)=2× 7/22 ×7×(7+10)=44×17=748cm 2

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Step-by-step explanation:

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