SOLUTION: well i have two line that intersect and become an x the top and bottom i know is 102 degrees but what i don't know are the side one s the real question is do a triangle add up to

Question 173229: well i have two line that intersect and become an x the top and bottom i know is 102 degrees but what i don't know are the side one s the real question is do a triangle add up to a certain umber like a triangle add up to 180 degrees
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
You have the right idea!
With two intersecting lines as you describe with the top and bottom angles, which are called "vertical angles", equal to 102 degrees. The other two angle are 180 - 102 = 78 degrees each. These two angles (102 degrees and 78 degrees) are called "supplementary angles" and two supplementary angles add up to 180 degrees.
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