(a) CDF = 180o - (70o + 60o)
= 180o - 130o = 50o
The sum of interior angles in a triangle is 180o
(b) ABD = $\frac{50o}{2}$ = 25o
johnmulu answered the question on June 9, 2017 at 11:33
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June 9, 2017
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June 9, 2017
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June 9, 2017
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June 8, 2017
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