On the basis of the given drawing, write a Given and a Prove for the theorem. Theorem: If two lines intersect, then the vertical angles formed are congruent. L 3 M a) O Given: Lines L and M intersect; Prove: m/1 + m/3 = 180 and m/2 + m/4 = 180 b) O Given: Lines L and M bisect each other; Prove: 41 = 42 and 43 = 24 c) O Given: Lines L and M intersect; Prove: m/1 = m42 and m/3 = m/4 d) O Given: Lines L and M intersect; Prove: 41 = 42 and 43 = 24 e) O Given: Lines L and M bisect each other; Prove: m41 + m43 = 180 and m/2 + m/4 = 180 f) ONone of the above