PLEASE HURRY Line L is parallel to line E in the figure below.

Which statements about the figure are true? Check all that apply.

47 - 90 = 43

43 - 180 = x

x = 137

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)