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

Prove: AB I BC.

somebody pls tell me what step 4 is and the reason

Given: ABCD is a parallelogram and A ABC = ADCB. Prove: AB I BC. somebody pls tell-example-1
User Octopi
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1 Answer

8 votes

Answer:

Explanation:

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

User GrenierJ
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