180 - x = 3(90 -x)
180 - x = 270 - 3x
3x - x = 270 - 180
2x = 90
x = 45
The angle is 45 degrees (complement is 45, supplement is 135).
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A triangle has three sides and three angles. Right angled triangles are triangles in which the measure of one angle equals 90 degrees
It is: 47 degrees
A right angle measures 90°. There are three angles that have greater measurement than a right angle. They are:Obtuse angles - They are angles that measure between 90° and 180°, but not exactly 90° and 180°. In other words, they measure less than 180° but greater than 90°.Straight angle - It is an angle that measure exactly 180°.Reflex angles - They are angles that measure greater than 180°.
If three central angles measures 65, 87, and 112, find the measure of the fourth central angle.