Question 315201
No, it's wrong.
.
.
.
Actually, if it's right, it would follow the Pythagorean theorem.
{{{A^2+B^2=C^2}}} where A,B are the legs and C is the hypotenuse(the longest side).
{{{4^2+(sqrt(3))^2=8^2}}}
{{{16+3=64}}}
{{{19=64}}}
No, not even close. 
So the triangle is not a right triangle.