Out of two concentric circle the diameter of outer circle is 10 centimetre and the codesys of length 8 cm is a tangent to the inner circle then find the diameter of the inner circle
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Lets say centre O
OA=5cm,AC/2=4cm,
dist of O fromAC =Sqrt(5^2-4^2)=3
tangent to the2 inner circle
so radius= 3cm
OA=5cm,AC/2=4cm,
dist of O fromAC =Sqrt(5^2-4^2)=3
tangent to the2 inner circle
so radius= 3cm
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