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hammer [34]
3 years ago
7

Find x. Assume that segments that appear tangent are tangent.

Mathematics
1 answer:
kipiarov [429]3 years ago
6 0
Assuming that CB is tangent, this is just a right triangle with a hypotenuse of 20 and a side of 12 so by the Pythagorean Theorem:

20^2=12^2+x^2

400=144+x^2

x^2=400-144

x^2=256

x=16
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