Parallel lines s and t are cut by a transversal, r, as shown.

Parallel lines s and t are cut by transversal r. Clockwise from top left, the angles formed by lines r and s are blank, (7 x minus 2) degrees, 1, blank; formed by lines r and t are blank, blank, blank, (6 x + 18) degrees.

What is the measure of angle 1?
20°
42°
138°
160°

Aziza has a triangle with two sides measuring 11 in. and 15 in. she claims that the third side can be any length as long as it is greater than 4 in. which statement about aziza’s claim is correct? aziza’s claim is not accurate. the third side must be between 4 in. and 26 in. aziza’s claim is not accurate. the third side can be any length less than 26 in. aziza’s claim is not accurate. the third side can be any length. aziza’s claim is not accurate. the third side must create a scalene triangle.