Question

from the figure find the measure of angle ACD

Answer 1

Answer: 110°

Step-by-step explanation:

exterior answer

70 + 40 = 110°

see

180 - 70 - 40 = 70°

angle ACB + angle ACD = 180

70 + ACD = 180

∠ACD = 180 - 70 = 110

Answer 2

angle a + angle b + angle c = 180 degree
70 + 40 + angle c = 180
angle c = 180 - 110
angle c = 70 degree

therefore ,
angle acb + angle acd = 180
70 + angle acd = 180
angle acd = 180-70
angle acd = 110 degree










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