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# Help plz!! Which of the following could be the measure of the angle below? a. -180 b. -120 c.140 d.510Download jpg

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Answer: the measure of The indicated angle in figure could be - 180° (Option a)Solution:1. If we measure the angle in a counterclockwise direction the sign is positive, then the angle could be:180°, 180°+360°=540°, 180°+2(360°)=180°+720°=900°, ... 1. If we measure the angle in the sense that the sign is negative, then the angle could be:-180°, -180°-360°=-540°, -180°-2(360°)=-180°-720°=-900°,...Then, from the options given, the measure of the indicated angle in figure could be -180° (option)