Q. 24.5( 11 Votes )

In a right angled triangle, if one of the other two angles is 35°, find the remaining angle.

Answer :

Given:

Let A = 35° and B = 90° (right angle)



As we know, using theorem (1), in any triangle, sum of the three interior angles is 180 °.


So,


A + B + C = 180°


35° + 90° + C = 180°


C = 180° - 35° - 90°


C = 55°


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In a triangle ABC, B = 70°. Find A + C.

Karnataka Board - Mathematics Part I