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Two circles with radii R and r touch each other externally. A direct common tangent with length l is drawn to the circles. Which is true?a)l = R2 + r2b)l = R2 – r2c)d)l = 3 R2 r2Correct answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about Two circles with radii R and r touch each other externally. A direct common tangent with length l is drawn to the circles. Which is true?a)l = R2 + r2b)l = R2 – r2c)d)l = 3 R2 r2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two circles with radii R and r touch each other externally. A direct common tangent with length l is drawn to the circles. Which is true?a)l = R2 + r2b)l = R2 – r2c)d)l = 3 R2 r2Correct answer is option 'C'. Can you explain this answer?.

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