R= diameter/2
answer: 8 units
Your answer would turn out to be
D. 20+21i
The square root of a prime number (11) is irrational
The correct answer is 18 hope that helped♥
To be pefectly honest, your question really doesn't make sense.
160 is a rational number, and there isn't any irrational number that's
related, connected, or tied to it in any particular way.