Question 720022
The bird's path form a right triangle
Use the Pythagorean theorem
{{{ d^2 = 6^2 + 3^2 }}}
{{{ d^2 = 36 + 9 }}}
{{{ d^2 = 45 }}}
{{{ d = sqrt(45) }}}
{{{ d = 3*sqrt(5) }}}
{{{ d = 3*2.2361 }}}
{{{ d = 6.7082 }}}
The bird is 6.7082 km from it's nest