Answer:
1) m∠ACD = 105°
⇒ 45 + 60 = 105
2) I found the answer by adding the values of ∠A and ∠B or by using the exterior angle property.
3) I observed that exterior angle property can be used here. Exterior angle property is that an exterior angle of a triangle is equal to the sum of the opposite interior angles.
Hope this answer helps u
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