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Complete the two-column the proof.


Given: ∠1 is complementary to ∠2.


BD bisects ∠ADC.


Prove: ∠1 is complementary to ∠3.



Answer:


Statement Reason

  1. ∠1 is complementary to ∠2. 1.

  2. 2. Definition of complementary

  3. 3. Given

  4. 4. Definition of bisect

  5. m∠2 = m∠3 5.

  6. m∠1 + m∠3 = 90° 6.

  7. 7.