Given: ABCD is a parallelogram and A ABC = ADCB. Prove: AB I BC. somebody pls tell me what step 4 is and the reason

asked Sep 8, 2023 69.2k views

25 votes

Given: ABCD is a parallelogram and A ABC = ADCB.

Prove: AB I BC.

somebody pls tell me what step 4 is and the reason

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8 votes

Answer:

Explanation:

Angle ABC is a right angle because all interior angles of a rectangle are right angles.

GrenierJ answered Sep 14, 2023

7.7k points

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