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Mathematics 7 Online
OpenStudy (anonymous):

How do you prove that this triangle is isosceles?

OpenStudy (anonymous):

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OpenStudy (anonymous):

@De5t1nY

OpenStudy (anonymous):

...

OpenStudy (sirm3d):

do you prove the triangle is isosceles or should you ASSUME that the triangle is isosceles?

OpenStudy (anonymous):

Have a look on this question and you'll understand me: http://openstudy.com/study#/updates/50cbe1eae4b0031882dbdf69

OpenStudy (anonymous):

5x = 3x + 28

OpenStudy (anonymous):

because both angles are the same, eh?

OpenStudy (anonymous):

Whatever...

OpenStudy (sirm3d):

IF the triangle is isosceles, then it is correct to say \(5x = 3x + 28\), otherwise, \(5x\) is NOT necessarily equal to \(3x + 28\)

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