Question

write the radius of the cylinder of height 3cm and curved surface area is 66cm^2​

Answer 1

Step-by-step explanation:

CSA of cylinder = 2πrh

66= 2x 22 x3 X h

7

66x7 = h

22x3x2

h = 3.5 cm

Answer 2

Answer: 3.5 cm

Step-by-step explanation:

CSA of a cylinder = 2πrh

h = 3cm

CSA = 66cm^2

66 = 2×3.14×r×3

66 = 18.84r

r    = 66/18.84

r    = 3.5 cm

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