SME
Grade 7 Math · Problem type
Which kind of angle pair?
Use this for “Are these angles complementary, supplementary or vertical?”
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Which kind of angle pair is it?
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Assumptions
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Complementary angles add to 90°. Supplementary angles add to 180°.
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Vertical angles sit across from each other where two lines cross, and they are equal.
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Adjacent angles share a side; they can be any of these or none.
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Related lessons
Supplementary, complementary, vertical and adjacent angles
Main lesson
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Can the sides make a triangle?
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