The sum of the angles in a triangle is always 180°.
Therefore, the measure of x° is:
x = 180° - 63° - 28°
x = 180° - 91°
x = 89°
A list of angles is shown, where x° represents an unknown angle measure.
63°, 28° x°
what is the measure of x, in degrees, for the three angles to form a triangle?
1 answer