What is the complete question?
2x16 is 32 so you would take square root of 16 out which is 4 and leave the 2 inside. So the answer is 4sqrt(2)
Choose one of two ways to use the axis lines or choose your own numbers.
Square root of area = (13y + 10) cm = length of each side of the square piece.
perimeter is
p = 4(13y + 10)
= 52y + 40 Answer
when y= 10 p = 560 answer
Option C is the correct one.