Three circles touch each other externally. The distance between their centres is 5 cm, 6 cm and 7 cm. Find the radii of the circles.
Question
Solution 1
This problem can be solved using the formula for the radii of three externally tangent circles, which is derived from the Descartes' Circle Theorem. The theorem states that if four circles are mutually tangent (externally or internally), their curvatures (k, which is 1/radius) satisfy a certain equa Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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