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Mathematics 15 Online
OpenStudy (anonymous):

GEOMETRY HELP? (read comments)

OpenStudy (anonymous):

OpenStudy (nikato):

Is FED a right angle?

OpenStudy (anonymous):

uh i'm not sure

OpenStudy (nikato):

Ok, I think it is and that they just messed up on the marking. So we know that FDE and FDG are congruent triangle by AAS. Following?

OpenStudy (anonymous):

yeah

OpenStudy (nikato):

So by CPCTC we know that EF=FG and u can just set up an equation and solve for x. 6x+28=10x

OpenStudy (anonymous):

once i solve for x, that's my answer?

OpenStudy (nikato):

Yup becuz the question is just asking u to find the value of x

OpenStudy (anonymous):

x=7?

OpenStudy (nikato):

Yes. Great job!

OpenStudy (anonymous):

thank you

OpenStudy (nikato):

No problem

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