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Mathematics 7 Online
OpenStudy (youngnephew34):

Can anyone help me check this plz and see if it's right

OpenStudy (youngnephew34):

Directrix (directrix):

To find x, use this theorem Theorem: If the altitude is drawn to the hypotenuse of a right triangle, the length of the altitude is the geometric mean between the lengths of the segments of the hypotenuse.

Directrix (directrix):

Cross multiply and solve for x. |dw:1447963965558:dw|

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