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Mathematics 20 Online
OpenStudy (anonymous):

Given that line f is parallel to line g, find the value of x. The diagram is not to scale.

OpenStudy (anonymous):

@hartnn

hartnn (hartnn):

can't log in...so can't see the question.....

OpenStudy (anonymous):

Ill put another pic on.hold on

OpenStudy (anonymous):

hartnn (hartnn):

when 2 lines are parallel, their alternate interior angles are supplementary, that is their sum =180 can you setup an equation now ?

OpenStudy (anonymous):

No...

hartnn (hartnn):

supplementary means sum = 180 so, 3x + 6x-45 =180 now solve for 'x'

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