Answer:
JKL=127°
BEF=63°
m 1=90°
CBY=66°
Step-by-step explanation:
JKL:
the two lines are parallel and cut by one line so the corresponding angles just be the same.
BEF:
(7x-14)=4x+19
add 14 to each side
7x=4x+33
subtract 4x from each side
3x=33
divide each side by 3
x=11
implement that into 4x+19
4(11)+19
44+19
63
m 1:
Since the congruent angles is 90 and 90 + m 1= 180° the m 1 has to be 90°
3x+9+6x=180 since they are corresponding angles on a parallel line and corresponding angles must equal 180° in total
9x+9=180
subtract 9
9x=171
divide each side by 9
x=19
3(19)+9
66°
Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!
