CTET 2 Math and Science Sep 2016 Paper

Question : 56 of 150

Marks: +1, -0

If one angle of a triangle is 110°, then the angle between the bisectors of the other two angles measures :

Solution:

Since, the sum of the angles of a triangle is 180°
Then, the sum of other two angles

=180°–110°=70°

Now, the sum of bisector of other two angles

=70°/2=35°

So, the required angle between the bisectors of other two angles

=180°–35=145°.

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