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Mathematics 11 Online
OpenStudy (anonymous):

A rhombus has 25cm sides, and one diagonal is 14 cm long. How long is the other diagonal?

OpenStudy (phi):

the diagonals are perpendicular. does that help

OpenStudy (anonymous):

You have to use the Pythagoras Theorem. The diagonals bisect each other, right? So, take one of the 4 right angled triangles. The side is 25 which acts as a hypotenuse. And the other side is 7. Now, use the formula.

OpenStudy (unklerhaukus):

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OpenStudy (unklerhaukus):

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OpenStudy (unklerhaukus):

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