The answer is 11 1/2
Hoped that helped
(81x^8y^5)^(1/4)
(81)^(1/4)(x^8)^(1/4)(y^5)^(1/4)
(3)(x^(8/4))(y^(5/4))
3(x^2)(y^(5/4))
Radius is the distance from the centre to any point in the circumference. i.e. radius =

radius = 17 units
Answer:
1 1/2
Step-by-step explanation:
because each friend gets 1 1/2