INTRODUCTION You already know how to identify different lines, line segments and angles in a given shape. Can you identify the different line segments and angles formed in the following figures? (F
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RELATED ANGLES Complementary Angles : When the sum of the measures of two angles is 90°, the angles are called complementary angles. (i) (ii)
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PAIRS OF LINES Intersecting Lines: &nbs
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CHECKING FOR PARALLEL LINES If two lines are parallel, then you know that a transversal gives rise to pairs of equal corresponding angles, equal alternate interior angles and interior angles on the
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