Given R'S'T'U' is a dilation of RSTU, find the scale factor of dilation. S'
44
T'
S
11
T
R
U
R.
U'

The length is 23 and y because you add them together

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.