Question

In angle ACD in an exterior of angle ABC. Angle B =40°. Angle B = 70°. Find the measure of Angle ACD​​

Answer 1

Answer:

angle ACD = 110°

Step-by-step explanation:

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angle A = 70°

angle B = 40°

angle ACD = ?

angle A + angle B = angle ACD

................[Exterior Angle Theorem]

hence,

70°+40° = angle ACD

angle ACD = 110°