Question
Two circles of radii 10 cm and 5 cm touch each other externally at a point
Two circles of radii 10 cm and 5 cm touch each other externally at a point
A. PQ is the direct common tangent of those two circles of centres O ₁ and O ₂ respectively. The length of PQ is equal to
Direct common tangent = 2 × √ (r ₁ × r2) 2 x √ (10 x 5) =10√ 2 cmMore Previous year papers Questions
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