If two angles on a triangle measure 90 degrees and x degrees then the third angle is 180 - (90 + x)
A triangle is a polygon with three sides and three angles. Types of triangles are equilateral, isosceles, scalene and obtuse.
The sum of all angles of a triangle is 180°.
If two angles on a triangle measure 90 degrees and x degrees then the third angle is 180 - (90 + x)
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