we know that in a right triangle applying the Pythagoras theorem c²=a²+b²----------> b²=c²-a² where c is the hypotenuse-------> c=8 yd a and b are the legs of the triangle a=6 yd b=? b²=c²-a²-----> b²=8²-6²-----> b²=64-36----> b²=28-----> b=√28---> 5.29 yd