Question

Two cylinders whose heights are in the ratio 1 : 2, have the same lateral surface area. The ratio of their base areas are:
a)2 : 1
b)4 : 1
c) 1 : 2
d) 1 : 4
Pls tell fast.

Answer 1

Answer:

Correct option is

B

R:r

Let radius of one cylinder =R

Radius of another cylinder=r

Height of cylinder =h

Now,

S

2

S

1

=

2πrh

2πRh

=

r

R

∴S

1

:S

2

=R:r

Step-by-step explanation:

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