• below is a two-column proof incorrectly proving that the three angles of δpqr sum to 180°:

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  • Column 1: Angle P + Angle Q = 90° Angle Q + Angle R = 90° Column 2: Angle P + Angle R = 180° Proof: Angle P + Angle Q + Angle R = 90° + 90° = 180°

    • Answered:

      Alisson Kirby

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  • |Statement |Reason | |:------------------------------------|:-------------------------| |Δpqr has three angles |Definition of a triangle | |m∠p + m∠q + m∠r = 180° |Given in the statement |

    • Answered:

      Kameron Santos

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