Question 119

In $$\triangle$$ ABC, O is the orthocentre and $$\angle$$ BOC = $$80^\circ$$, the measure of $$\angle$$ BAC is

Solution

Given : $$\angle$$ BOC = $$80^\circ$$

To find : $$\angle$$ BAC = ?

Solution : In case of orthocentre, we have :

$$\angle$$ BOC + $$\angle$$ BAC = $$180^\circ$$

=> $$80^\circ+\angle$$ BAC = $$180^\circ$$

=> $$\angle$$ BAC = $$180-80=100^\circ$$

=> Ans - (C)

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