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.
converting to sexagesimal
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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