摘要: Read the following SAT test question and then click on a button to select your answer. In the figure above, the circle wit...
Read the following SAT test question and then click on a button to select your answer.
In the figure above, the circle with center and the circle with center
are tangent at point
. If the circles each have radius
, and if line
is tangent to the circle with center
at point
, what is the value of
?
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