Q. 54.1( 15 Votes )

The measure of one angle of a triangle is 65° and other angle is ; let us write the sexagesimal value and circular value of third angle.

Answer :

converting to sexagesimal


= 15°


Let c be the third angle


sum of angles of a triangle = 180°


65° + 15° + c = 180°


c = 100°


Circular value of c




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West Bengal Board - Mathematics