Question

In a cylinder,if the radius is doubled and height is halved, then the curved surface area will be four times.
write true or false​

Answer 1

Answer:

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Answer 2

Answer:

• False

The curved surface area will be same

Step-by-step explanation:

Curved surface area of cylinder is 2πrh

Given :

• R = 2r

• H = h/2

Now,

Curved surface area of cylinder = 2πRH

= 2π(2r) (h\2)

$\boxed{\pink{ = 2\pi \:rh}}$