Solve the triangle round al answers to 1 decimal b = 6, A = 20°; - I just need Help finding a and c

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

Secant be and cf intersect at point d inside a what is the measure of cde