The labeled angle is what's called an inscribed angle. There's a theorem (fittingly called the inscribed angle theorem) that says the measure of this angle is half the measure of the circular arc that it subtends.
In this case, the angle is subtended by an arc measuring 180°. So
(4x + 6)° = 1/2 • 180°
4x + 6 = 90
4x = 84
x = 21
Answer:
First check your grammar pls I had to read it twice and I think it is 333 5/6
Step-by-step explanation:
Answer: A, B and
Explanation:
Angle 3, 4, and 2 are the exterior angles because it locates outside
Answer:
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