Question

If a and b are parallel lines and m <3 = 128º, what is the measure of <8?

A) 134º
B) 54º
C) 52º
D) 49º

Image Bellow :-)! thanks in advance! =]

Answer 1

any way to solve it..
first, the measure of <4 and <8 are corresponding angles, they will be same, so <8 = <4. then the measure of <3 and < 4 are supplementary angles, they will sum 180 deg, thus
<3 + <4 = 180 or
<3 + <8 = 180
128 + <8 = 180
now, solve for <8

Answer 2

52 :D?

Answer 3

yesss :)

Answer 4

thanks!! again ;D!

Answer 5

you're welcome

Answer 6

=)!