Question

. The curved surface area of a cylinder is 3960 cm² and its
volume is 41,580 cm. Find the radius and height of a cylindered​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

CSA of a cylinder = 3960

πr∧2h =3960

22/7 ×r×h=3960

r×h =3960×7/22

r×h =630

r = 630 / h   .....equation(1)

now , volume of a cylinder = 41583

πr∧2 ×h = 41583

substituting the value of r from eq-1

[630 / h]∧2 ×h = 41583×7/22

396900 × h = 291081/22

h = 396900 ×22 / 291081

h = 29.997 cm

now , r = 630 / h as mentioned in eq - 1

r = 630/ 29.99

r = 21.007 cm

hence the radius is 21.007 cm and height is 29.997 cm