An artist is cutting a piece of metal as shown. What is the angle measure of the piece left over?

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.

Why you be expecting me to do your math u stupid butt? i ain't gonna but ima get points so you know what i'm sayin boii