Question

Ankitsinghlegend can u help in this...... Plz........ Question 1

Answer 1

R1=19cm
Therefore C1=2piR1=2pi(19)cm
R2=9cm
Therefore C2=2piR2=2pi(9)cm
Let Radius of 3rd circle =R3
C3=2piR3
A.T.O
2piR1+2piR2=2piR3
2pi(R1+R2)=2piR3
R1+R2=R3
19+9=R3
R3=28cm

Answer 2

Step-by-step explanation:

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