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
8
Answer:
hope this will help you
Attachments:
Answered by
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
Similar questions