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In the given figure, if AB = AC, then what is the value of ∠ACB – ∠DBF?

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In the given figure, if AB = AC, then what is the value of ∠ACB – ∠DBF?
enter image description here

posted Feb 12 by anonymous
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1 Answer

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5 deg

Since AB=AC, ACB = ABC= (180-40)/2=70 deg

As pictured, DBF=CBD=(180-50)/2=65 deg

ACB - DBF=70-65=5 deg

answer Feb 12 by Hanifa Mammadov

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