A circular pool is located in the center of a square park. The park, the pool, and some of their dimensions are shown in the diagram below3) What is the radius, in yards, of the pool? ONLY USE NUMBERS IN YOUR ANSWER (no letters) *

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.