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In the figure given alongside, find the measure of ∠ACD. |
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Answer» In the given figure, side BC of ΔABC is produced to D. Consider the ΔABC, We know that the exterior angle of a triangle is equal to the sum of its interior opposite angles. ∴ ∠ACD = ∠ABC + ∠BAC ∠ACD = 45o + 75o ∠ACD = 120o Hence, the measures of ∠ACD is 120o. |
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