Answer:
2π² or 19.74
Step-by-step explanation:
Given r = π
<u>Then</u>:
or
All real numbers between -1 and 1, including -1 and 1
x^3 = 1/8
Taking the cube of both side
x^3 = 1/(2)^3
(x)^3 = (1/2)^3
Eliminate ^3 from both sides
x = 1/2