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18. the volume of cylinder is 550 cm3

. if the radius of cylinder is 5 cm then height is …… cm.

(a) 14 (b)7

By Ariana

18. the volume of cylinder is 550 cm3

. if the radius of cylinder is 5 cm then height is …… cm.

(a) 14 (b)7 (c)9 (d) 12

19. if 5 cos a =4 sin a ,then tan a = ……

(a)

(b) 5 (c)

(d)

20. for any information m + ⃛ =22 and m – ⃛ =2 MC

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Ariana

The discriminant of the quadratic equation is.
(a)D=0
(b)D=b2-4ac
(c)D=b2+4ac
(b)D=b/4ac​

Process management involves various tasks like creation, scheduling, termination of
processes, and a dead lock. It is the jo

1 thought on “18. the volume of cylinder is 550 cm3<br /><br />. if the radius of cylinder is 5 cm then height is …… cm.<br /><br />(a) 14 (b)7”

  1. Answer:

    18.(b) 7cm

    volume of cylinder = 550cm^3

    πr^2h = 550

    22/7 ×5×5×h = 550

    h = 550 × 7 / 22 × 5×5

    h = 7cm

    19. 5cos a = 4 sin a

    tan a = sin a / cos a

    tan a = 4/5

    Reply

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