rectangle abcd prove: triangle adc is congruent to triangle bcd

[math_celebrity]

rectangle abcd prove: triangle adc is congruent to triangle bcd

1. Given: ABCD is a rectangle
2. AB = CD since opposite sides of rectangle are congruent
3. BC = AD since opposite sides of rectangle are congruent
4. AC = AC by the Reflexive Property of Equality
5. triangle ADC = triangle CBA by the Side-Side-Side (SSS) Property