Exploring Parallel Lines

I need help with these questions please add in explanation on how you did it please

5. In each diagram, is AB parallel to CD? Explain how you know. 1. Determine the measures of Z WYD, LYDA, LDEB, and LEFS Give your reasoning for each measure. K M N C / W 7150 45 A B\\ 80' X Y D E F Z P Q R S 2. For each diagram, decide if the given angle measures prove that the blue lines are parallel. Justify your decisions. a) b) c) d) 101 73 85 570 101 119 73 85"3. A shelving unit is built with two pairs of parallel planks. Explain why each of the following a statements is true. ) Zk = LP e) 2b = Lm b) Za = 2j 1) Le = LP c) Li = 2q g) Ln = Ld n P d) Lg = 2d h) 2f+ Zk = 180 4. Determine the measures of the indicated angles. a) X b) 55 c) W 120 a F 48 y/ 112 1 b C