Answer:
8.1796
Step-by-step explanation:
2.86 x 2.86 = 8.1796
So r = 22.56 and s = 14.27.
e=20
0.25e-0.5=4.5
0.25e=4.5+0.5
0.25e=5
e=5/0.25
Answer: 615.4
if the radius is 14