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angle is the figure formed by 2 rays,called the side of the angle, sharing a common endpoint, called the vertex of the angle.
one angle with a measure of 90°is know as a_________angle.
answer: right angle
if one angle of a linear pair is 30°,then the measure of the other angle in the pair is_________°.
Jerry has a triangle window in his room. If angle one measures 63°, and angle two measures 77 degrees, what is the measure of angle 3