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Mathematics 16 Online
OpenStudy (anonymous):

Whats the value of M in the figure below? Image attached.

OpenStudy (anonymous):

OpenStudy (mathstudent55):

Look at the large triangle, ABC. It is a right triangle, right?

OpenStudy (anonymous):

yes.

OpenStudy (mathstudent55):

Ok. Now look at segment BD. It is perpendicular to side AC of the large triangle, so it's an altitude drawn to the hypotenuse of the large triangle.

OpenStudy (anonymous):

Ok, so?

OpenStudy (mathstudent55):

Ok. If the altitude to the hypotenuse of a right triangle is drawn, then all three triangles are similar.

OpenStudy (mathstudent55):

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