Question 7: In ∆ABC, bisectors of ∠A and ∠B intersect at point O. If ∠C = 70° . Find measure of ∠AOB.

Question 7: In ∆ABC, bisectors of A and B intersect at point O. If C = 70° . Find measure of AOB.


Answer: 

If the bisectors of ∠X and ∠Y of a △XYZ intersect at point O, then 

= 90∘ + 35 
= 125  
Hence, the measure of ∠AOB is 125.

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