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Mathematics 20 Online
OpenStudy (nikki_skellington):

In the figure below, angle y and angle x form vertical angles. Angle y forms a straight line with the 80° angle and the 60° angle.

OpenStudy (nikki_skellington):

OpenStudy (nikki_skellington):

Write and solve an equation to determine the measure of angle x.

OpenStudy (janu16):

60 + 80 + x = 180 replace x with 180 60 + 80 + 180 = 180

OpenStudy (janu16):

what do you get for x?

OpenStudy (janu16):

just solve that above and tell me what you get

OpenStudy (nikki_skellington):

um i don't get it you replaced x with 180

OpenStudy (nikki_skellington):

w8 no x is 40

OpenStudy (nikki_skellington):

right?

OpenStudy (janu16):

x is 40 cprrect

OpenStudy (nikki_skellington):

Yay! so will 40 be the answer

OpenStudy (janu16):

yes!

OpenStudy (nikki_skellington):

ok thx so much :D

OpenStudy (janu16):

np

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