Question

DC bisects ∠ACB.

urgent help needed

Answer 1

Down Here

Explanation:

Step 2:

Statement: m∠A ≅m∠B

Reason: Base angle theorem

Step 3:

Statement: AD = BD

Reason: Def. of an isosceles triangle

Step 4:

Statement: m∠CAD ≅ m∠CBD

Reason: Parts whole Postulate

Step 5:

Statement: ΔCAD ≅ ΔCBD

Reason: SAS

Step 6:

Statement: m∠ACD ≅m∠BCD

Reason: CPCTC, angle bisector

-Chetan K