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Geometry 12 Online
OpenStudy (anonymous):

m<9 = 6x and m<11 = 120. Find the value of x so that line c is parallel to line d. A)15 B)20 C)30 D)114

OpenStudy (jdoe0001):

got picture?

OpenStudy (anonymous):

OpenStudy (anonymous):

@jdoe0001

OpenStudy (jdoe0001):

if "c" were to be indeed parallel to "d" that will mean that angles 9 and 11 are "corresponding angles, http://www.mathsisfun.com/geometry/corresponding-angles.html , and thus equal to each other

OpenStudy (jdoe0001):

\(\bf \measuredangle 9 = \measuredangle 11\implies \square ?= \square ?\)

OpenStudy (anonymous):

so it wud be 30 ?

OpenStudy (anonymous):

i mean 20

OpenStudy (anonymous):

ahaha

OpenStudy (jdoe0001):

yeap \(\bf \measuredangle 9 = \measuredangle 11\implies 6x=120\implies x=\cfrac{\cancel{ 120 }}{\cancel{ 6 }}\to 20\)

OpenStudy (anonymous):

thanks! i got another one, cud yu help ?

OpenStudy (jdoe0001):

so if "x = 20" then that will make angle 9 and angle 11 equal and thus corresponding angles and thus will in turn make "c" and "d" parallel to one another

OpenStudy (anonymous):

@jdoe0001

OpenStudy (jdoe0001):

well, post anew... if I dunno someone else may, and we can revise each other

OpenStudy (anonymous):

auright

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