Question

if the sum of areas of two circles with radii R1 and R2 is equal to the area of a circle of radius R ,then find relation between R, R1 and R2.​

Answer 1

Answer:

circlewithradiusR

1

=πR

1

2

and

ar.circlewithradiusR

2

=πR

2

2

.

∴sumoftheareas=π(R

1

2

+R

2

2

).

Againar.circlewithradiusR=πR

2

.

∴Bythegivenconditionπ(R

1

2

+R

2

2

)=πR

2

⟹(R

1

2

+R

2

2

)=R

2

.

Ans−OptionB.