Parallel Lines

(Please help with answers and if you can, say what the equation to do all of this is)
#41-43,45&47 are all equal to each other

#44,46&48 all equal 180 degrees

Parallel Lines Please help with answers and if you can say what the equation to do all of this is 414345amp47 are all equal to each other 4446amp48 all equal 18 class=