Two angles of a triangle measure 40° and one side measures 10 inches. how many possible triangles are there? what are the missing measures of each possible triangle
the measure of an angle is 117°. what is the measure of a supplementary angle? two angles are supplementary when they add up to 180 degrees. these two angles (140° and 40°) are supplementary angles, because they add up to 180°: notice that together they make a straight angle. but the angles don't have to be together.