Transversal t cuts parallel lines a and b as shown in the diagram. Which equation is necessarily true?

m 1 = m 2

m 4 = m 6

m 1 + m 5 = 90°

m 3 + m 5 = 180°

m 7 = m 8

http://contentlaunch.ple.platoweb.com/testimagedb/80/80c5d2ea4177bbc3245ec4323f73beab

Question

Transversal t cuts parallel lines a and b as shown in the diagram. Which equation is necessarily true? 


m  1 = m  2



m  4 = m  6



m  1 + m  5 = 90°



m  3 + m  5 = 180°



m  7 = m  8


http://contentlaunch.ple.platoweb.com/testimagedb/80/80c5d2ea4177bbc3245ec4323f73beab

anonymous · Answer

http://contentlaunch.ple.platoweb.com/testimagedb/80/80c5d2ea4177bbc3245ec4323f73beab