Question

the ratios of areas 2 hemisphere is 36:49 find the ratio of (a) radii (b) volumes​

Answer 1

Answer:

Consider the given ratio of hemisphere

r

1

:r

2

=3:5

We know that the curved surface area of the hemisphere

=2πr

2

So, the ratio of curved surface area of hemisphere

=

2πr

2

2

2πr

1

2

=

5

2

3

2

=

25

9

Hence, this is the answer.