Posted by Brandon on .
The length of the hypotenuse of a 306090 triangle is 12. Find the perimeter.

geometry 
Reiny,
the ratio of sides of the 306090 triangle
= 1 : √3 : 2
= 6 :6√3: 12
so perimeter = 6 + 6√3 + 12 = 18 + 6√3