Asked by Abby
If and inscribed angle has the diameter as a side and the other side being x what is the measure of the angle if the diameter is 20?
Answers
Answered by
oobleck
If the angle is PQR, with PQ being the diameter, than triangle PQR is a right triangle, with angle R being the right angle.
so cosQ = x/20
Q = cos<sup><sup>-1</sup></sup>(x/20)
so cosQ = x/20
Q = cos<sup><sup>-1</sup></sup>(x/20)
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