In square WXYZ , PY=5 . What is the square's perimeter?

25 units

50 units

202‾√ units

102‾√ units
Square W X Y Z with diagonals W Y and Z X intersecting at P.

P0000000000p genafhysjq each e yeh wy

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.