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Mathematics 11 Online
OpenStudy (anonymous):

I have another one, it's not confusing though! lol @ganeshie8

OpenStudy (mathstudent55):

Any ideas?

ganeshie8 (ganeshie8):

Look at angles MLO and JLO Are they complementary/supplementary ?

OpenStudy (mathstudent55):

complementary: 2 angles add up to 90 supplementary: 2 angles add up to 180

OpenStudy (anonymous):

I lied, they are supplementary when you rotate the diagram.

ganeshie8 (ganeshie8):

yes ! so you can eliminate option A

ganeshie8 (ganeshie8):

And since you can use CPCTC only after proving the triangles are congruent, which is the correct option ?

OpenStudy (anonymous):

option D.. :)

ganeshie8 (ganeshie8):

Excellent !

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