Math, asked by Samayu, 5 months ago

The ratio of the diameters of two circles is 1 : 2. Find the ration of their areas.

Answers

Answered by shivsagarbalajichopd

2

→ As circumference of

circle of radius r =2πr

And as radius =

2

diameter

⇒ circumference = πd

⇒

πd

2

πd

1

=

d

2

d

1

=

2

1

=1:2

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