SOLUTION: In triangle XYZ, two angles add to be 100 degrees. What is the measure of the third angle?

SOLUTION: In triangle XYZ, two angles add to be 100 degrees. What is the measure of the third angle?

Algebra.Com

Question 564375: In triangle XYZ, two angles add to be 100 degrees. What is the measure of the third angle?
Answer by ad_alta(240) (Show Source): You can put this solution on YOUR website!
In Euclidean geometry (but not necessarily non-Euclidean geometry), the angles of a triangle sum to 180. Since two of the angles sum to 100, the third must be 80.
RELATED QUESTIONS
two angles in a triangle add up to 138 degrees what is the size of the third angle (answered by DN)

Two angles in a triangle measure 20 degrees and 100 degrees. What is the measure of the... (answered by ewatrrr)

1. Two angles of a triangle each measure 70�. What is the measure of the third angle in... (answered by richwmiller)

In triangle ABC, two angles add to be 91 degrees. The third side is 90... (answered by rapaljer)

two angles of a triangle measure 135 degrees and 11 degrees what is the measure of the... (answered by nerdybill)

if two angles of a triangle measure 40 degrees and 70 degrees, what is the measure of the (answered by rapaljer)

if two angles of a triangle measure 40 degrees and 70 degrees, what is the measure of the (answered by Fombitz)

if two angles of a triangle measure 40 degrees and 70 degrees, what is the measure of the (answered by Fombitz,nerdybill)

Two angles of a triangle measure 20 degrees and 50 degrees. What is the measure of the... (answered by rfer)