EXERCISE 15B A 75 1. In the figure given alongside, find the measure of ZACD. 45° B С
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Step-by-step explanation:
In the given figure, side BC of △ABC is produced to D
Consider the △ABC
We know that the exterior angle of a triangle is equal to the sum of its interior opposite angles
∴ ∠ACD=∠ABC+∠BAC
△ACD=45°
+75°
∠ACD=120°
Hence, the measures of ∠ACD is 120°
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