﻿ The centres of two circles C1 and C2 each of unit radius are at a distance of 6 units from each other. Let P be the mid-point of the line segment joining the centres of C1 and C2 and C be a circle touching C1 and C2externally. If a common tangent to C1 and C passing through P is also a common tangent to C­2 and C1, then the radius of the circle C is  : Kaysons Education

# The Centres Of Two Circles C1 and C2 each Of Unit Radius Are At A Distance Of 6 Units From Each Other. Let P be The Mid-point Of The Line Segment Joining The Centres Of C1 and C2 and C be A Circle Touching C1 and C2externally. If A Common Tangent To C1 and C passing Through P is Also A Common Tangent To C­2 and C1, Then The Radius Of The Circle C is

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Let A1A2 and M be the centres of the circles C1C2 and C respectively. Let the common tangent through P to C1 and C touch C1 at B1C at B2and C2 also at B2

From right angled triangle A1B1P

From triangle MPB2

#### SIMILAR QUESTIONS

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