A circle with a radius of 10 inches is divided into sectors by an angle of 45 degrees. What is the length of the arc subtended by this angle? Select one:

10π inches

5π2 inches

450 inches

92 inches

Dwould be the answer

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.