Deck of vocab and theorems used in proofs
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Addition Property of Equality | show 🗑
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| show | If a = b, then a – c = b – c
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| show | If a = b, then a • c = b • c
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| show | If a = b and c ≠ 0, then a ÷ c = b ÷ c
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| show | a (b + c) = ab + ac
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| show | If a = b, then b may be substituted for a in any expression containing a
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| Commutative Property | show 🗑
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| show | (a + b) + c = a + (b + c) (a • b) • c = a • (b • c)
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| show | a = a ∠A ≅ ∠A AB ≅ AB
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| Symmetric Property | show 🗑
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| show | If a = b and b = c, then a = c
If ∠A ≅ ∠B and ∠B ≅ ∠C, then ∠A ≅ ∠C
If AB ≅ CD and CD ≅ EF, then AB ≅ EF
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| Definition of Congruence | show 🗑
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| Definition of Right Angle | show 🗑
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| show | The point that divides a line segment into 2 congruent segments.
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| show | A ray that divides an angle into 2 congruent angles.
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| show | Two angles whose measures sum to 90˚.
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| show | Two angles whose measures sum to 180˚.
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| Definition of Linear Pair | show 🗑
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| Definition of Vertical Angles | show 🗑
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| show | If B is in the interior of ∠AOC, then
m∠AOB + m∠BOC = m∠AOC.
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| Segment Addition Postulate | show 🗑
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| Linear Pair Postulate | show 🗑
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| straight Angle Postulate | show 🗑
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| Vertical Angle Theorem | show 🗑
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| show | A pair of angles on the same side of the transversal and inside the lines
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| show | A pair of angles on opposite sides of the transversal and inside the lines
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| Alternate Exterior Angles | show 🗑
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| show | A pair of angles in matching positions. For example, both could be on the left side of the transversal and above the line.
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Created by:
states_l
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