Question

In the figure given along side, find the measure of Angle ACD.​

Answer 1

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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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