Mathematics, 18.12.2020 01:00 dpazmembreno
Suppose △ABC has exterior angle at vertex B. The exterior angle is (12x−24)°, m∠A=(3x−6)°, and m∠C=(6x+12)°. What is the measure of the exterior angle at vertex B?
10°10 degrees
24°24 degrees
96°96 degrees
72°
Answers: 1
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