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14 Cards in this Set
- Front
- Back
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angle 1 and angle 2 are a linear pair
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given
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angle 1 and angle 2 are supplementary
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Linear Pair Postulate
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measure of angle 1 + measeure of angle 2 =180
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Def. Of Supplementary angles
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measure of angle 1 + measure of angle 1 = 180
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Substitution property of equality
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2(measure of angle 1) =180
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Distributive Property
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measure of angle 1 =90
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Div. Property of Equality
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angle 1 is a right angle
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Def. of right angle
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g is perpindicular to g
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Def of perpendicular lines
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1) angle 1 is congruent to angle 2
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Given
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measure of angle 1 euals measure of angle 2
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def. of congruent angles
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Given: angle 5 and angle 6 are a linear pair.
Given: angle 6 and angle 7 are a linear pair |
Prove: angle 5 is congruent to angle 7
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1.) angle 5 and angle 6 are a linear pair. angle 6 and angle 7 are a linear pair.
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1.) Given
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2.) angle 5 and angle 6 are supplementary. angle 6 and angle 7 are supplementary.
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2.) Linear Pair Postulate
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3.) angle 5 is congruent to angle 7.
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3.) Congruent Supplement Theorem
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