SOLUTION: ABCD is a square, prove that AC=BD by using a 2 column proof

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Question 797393: ABCD is a square, prove that AC=BD by using a 2 column proof
Answer by solver91311(24713) About Me  (Show Source):
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ABCD is square: Given. AB = BC = CD = AD : defn square. Construct AC and BD : Euclid's Postulate 3. Angle ABC is right : defn square. Angle DAB is right : defn square. Triangle ABC congruent triangle DAB : SAS. AC congruent BD : CPCT. mAC = mBD : defn congruent. Q.E.D.

John

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