Posted by angel on Wednesday, January 5, 2011 at 6:11pm.
the lenght of the hypotenuse of a right triangle is 4cm. the lenght of one leg iz 2m. find the lenght of the other leg.?

math  Reiny, Wednesday, January 5, 2011 at 6:18pm
let the third side be x
x^2 + 2^2 = 4^2
x^2 + 4 = 16
etc.

math  Damon, Wednesday, January 5, 2011 at 6:19pm
30,60,90 triangle
1, sqrt 3, 2
so
2, 2 sqrt 3 4
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