Question

Curved Surface area of cylinder is 11440 cm² And Height is 65.Find it's radius.​

Answer 1

Answer:

Radius= 28cm

Step-by-step explanation:

CSA of cylinder = 2πrh

11440=2×(22/7)×r×65

r=28cm

Mark brainliest, if helpful

Answer 2

Step-by-step explanation:

$curve \: surface \: area \: of \: cylinder = 2 \: \pi \: rh$

$2 \times \frac{22}{7} \times r \times 65 = 11440$

$r = \frac{11440 \times 7}{65 \times 44 } = \frac{1040 \times 7}{65 \times 4} = \frac{260 \times 7}{65 }$

R= 28 cm Answer