the two angles of a triangle are complementary . the third angle is.

options 60 45  36  90.

Two angles of a triangle are complementary, i.e, the sum of both of the angles is 90 degree. 

The sum of all the angles of a triangle is 180 dgree. 

So, the other angle of that triangle has to be 90 degree.

  • 3

answer..    90 

  • 1
What are you looking for?