Question

if the diameter is 14 and volume is 539cm^3 what is radius ,height and total surface area​

Answer 1

Step-by-step explanation:

For cylinder A

Radius of base (r) = 14/2 cm. = 7 cm.

Height (h) = 7 cm.

∴ Volume = πr2h

= 22/7 . (7)2 . (7)

= 1078 cm3

For cylinder B

Radius of Base (R) = 7/2 cm.

Height (H) = 14 cm.

∴ Volume = πR2H

= 22/4 x 7/2 x 7/2 x 14

= 539 cm3

Hence, volume of cylinder A is 1078 – 539 = 539 cm3 is greater than cylinder B.

Answer 2

For cylinder A Radius of base (r) = 14/2 cm. = 7 cm. Height (h) = 7 cm. ∴ Volume = πr2h = 22/7 . (7)2 . (7) = 1078 cm3 For cylinder B Radius of Base (R) = 7/2 cm. Height (H) = 14 cm. ∴ Volume = πR2H = 22/4 x 7/2 x 7/2 x 14 = 539 cm3 Hence, volume of cylinder A is 1078 – 539 = 539 cm3 is greater than cylinder B

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