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Christian Baune replied to Christian Baune's discussion Triangle in the group Math Problem Solving

"Area of enclosing rectangle :
$3*5 = 15$
Small triangles :
$\frac{1*3+4*2+1*5}{2}=8$
The triangle:
$15-8=7$
The height:
$\sqrt{5^2+1}*\frac{h}{2}=7$
$h=2*\frac{7}{\sqrt{5^2+1}}$
"

Aug 4, 2016

Brinda Ramesh posted a blog post### Pythagorean Triplet

To verify a pythagorean triplet check if it has no common factor. Then if the smallest number is even then equate to 2m, check for m^2 - 1, m^2 +1.If the smallest is odd then equate to sqrt of 2m+1, find m and m+1.See More

May 6, 2015

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