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If you have two other angles, then add up those 2 and subtract that from 180. if you have all 3 sides then use the law of cosines: a squared = b squared + c squared - 2bc (cos A) If you have one angle and the 2 included sides, use the law of cosines as well. if you have an angle and the length of its opposite side, and the side opposite to the angle you want, then use the law of sines: sin A/ a = sin B/ b if you have the angle and the length of its opposite side and another angle, use the law of sines to figure out the unwanted angle anyway and then follow situation 1.
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Is this statement true or falseTo solve a triangle, you find all of its unknown side lengths and angle measures?
true
What is the measure of the unknown angle?
you add them then subtract by 180 to find the unknown angle
What is the process you would use to find the measurement of a missing angle if you knew measurements of two out of the three angles?
If it's a triangle then: 180-sum of known angles = unknown angle
How do you find out if a triangle is a right triangle?
if the triangle has one right angle in it
How do you find the measure of an angle in a triangle when the measures of the two other angles are known?
Well the three angles in a triangle all add up to 180° so if you add the two known angles and take it away from 180 you'll get your unknown angle.
