Math, asked by navi9248, 10 months ago

A cylindrical card board carton closed at both ends is 20cm high and has radius 14cm. What area of card board is necessary to make it, assuming that there is no overlapping while joining the ends

Answers

Answered by jitenbora1976
8

Answer:

hope this will help you

Attachments:
Answered by vijaykapoor758
8

Step-by-step explanation:

Given,

r =14cm ,h =20 cm

total surface area of the cylinder =2πr ( h + r) .

= 2 × 22 ×14 ( 20 + 14 )

7

= 2× 22× 2 × 34.

= 2992cm2

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