If an external angle measures 45°, its vertical angle measures _______., 45°, 90°, 135°, 80°, Two interior angles on the same side of a transversal are supplementary. What is 180° − 45°?, 45°, 55°, 135°, 145°, According to Task 3, if a triangle has two angles measuring 45° and 60°, what is the measure of the third angle, 65°, 180°, 105°, 75°, If two corresponding angles are equal, and one measures 45°, the other partner angle measures _______., 45°, 135°, 90°, °, Two angles that form a straight line are called supplementary angles and always add up to _______., 90°, 180°, 100°, 360°, If a transversal cuts two parallel lines, and one alternate interior angle is 45°, the other alternate interior angle is _______., 45°, 75°, 55°, 135°

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