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Home > CCG > Chapter 10 > Lesson 10.1.5 > Problem 10-54

10-54.

In the diagram below, has radius feet and has radius feet. is tangent to both and . If feet, find . Homework Help ✎

Think about how the radius of will affect .
How will the radius of affect ?

After finding the lengths of and , find lengths of the remaining sides.

because and and by the definition of a tangent.




Use Pythagorean Theorem to find the last side.



ft.