Two circles with radii 9cm and 6cm are 2cm apart. What is the length of the common internal tangent? State the used theorems and sketch and mark the diagrams.

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A: Explanation of the answer is as follows

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A: Given :Center 5, 0Tangent to line y=2x

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Q: snip

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A: Draw a circle of radius r=9 cm: Draw a chord AB of length 5 cm:

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Q: Simplify fractions/ radicals. round to the nearest hundredth when appropriate. Show work

A: Compare with standard equation of circle