Question

Observe the image, for∠ACD is an exterior angle of ∆ABC .∠B=40 ° ,∠A=70 ° find and choose the measure of ∠ACD​

Answer 1

Answer:

50 and 70 are the number

yo be asked in exam

Answer 2

∠B+∠A=∠ACD. (exterior angle equal to sum of two 40°+70°=∠ACD opposite angles)

110°=∠ACD

∠ACD=110°