Answer:
To determine to measure of the unknown angle, be sure to use the total sum of 180 degrees.
Step-by-step explanation:
if two angles are given , then add them together and the subtract from 180 degrees. if two angles are the same and unknow, subtract the know angle from 180 degrees and then divide by two hope this helps
To find a missing measure of a triangle we can:
The angle sum of a triangle will always be equal to 180°. The angle sum of a quadrilateral is equal to 360°, and a triangle can be created by slicing a quadrilateral in half from corner to corner. Since a triangle is essentially half of a quadrilateral, its angle measures should be half as well. Half of 360° is 180°.
In geometry, an angle measure can be defined as the measure of the angle formed by the two rays or arms at a common vertex. Angles are measured in degrees ( °), using a protractor.
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