This is a 30-60-90 triangle.
Therefore,
7 is A
the other leg is A√3
And the hypotenuse is 2A
So the other leg is 7√3 and the hypotenuse is 14
Square root of 36y^3 = √36y^3
= 6√y3
=6∛y
The radius of the circle is 1km
The answer to this one is<em> xy + 4</em>
