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Published byMelody Nowell Modified about 1 year ago

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Lines, Angles and Shapes 18 April 2015 Here are some facts about angles that you should know 90 0 A square corner like this is called a: RIGHT ANGLE It measures 90 0 (90 degrees)

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90 0 Push 90 0 Push = on a straight line

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x y z Prove that x + y + z = a b c d Line ab is parallel to line cd so…

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x y z c d x This angle must be x degrees Line ab is parallel to line cd so

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x y z c d These are scissor angles so y x This angle must be y degrees

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x y z c d These lines make corresponding angles so y y x This angle must be y degrees

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x y z c d y y x x, y and z make a straight line so these angles must add up to give a total of 180 0

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