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January 30, 2015

January 30, 2015

Posted by **ashish** on Monday, January 9, 2012 at 11:37pm.

- geometry -
**Reiny**, Tuesday, January 10, 2012 at 1:15amYour quad must be a rhombus.

You will have 4 congruent right-angled triangles, each having sides 5 and 12

by Pythagoras the hypotenuse of that triangle is 13

(you have a 5-12-13 right-angled triangle)

so each side of the rhombus is 13 cm long

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