Find the radius!! hurry

r = 18.8

Step-by-step explanation:

We use the circle sector area formula and solve for the radius.

I attached the work to your problem. See the attached file.

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.