Question : What will the curved surface area of a cylinder with a radius of 10 cm and height of 20 cm? (use $\pi=3.14$)
Option 1: 1345 cm2
Option 2: 1453 cm2
Option 3: 1256 cm2
Option 4: 1234 cm2
Answer (1)
25th Jan, 2024
Correct Answer: 1256 cm 2
Solution :
Given: A cylinder with a radius of 10 cm and height of 20 cm.
The curved surface area of a cylinder with a radius $r$ and height $h$
$=2\pi rh$
$=2\times 3.14\times 10\times 20=1256$ cm
2
Hence, the correct answer is 1256 cm
2
.
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