The area of a square is 72m^2. How long is the diagonal?

1 Answer
Apr 3, 2018

12 m

Explanation:

The side length of a square with area 72m2 is the square root of that.
72m28.485m
You then have a right triangle where both legs have a length of 72 and the hypotenuse is your square's diagonal. Using Pythagorean Theorem (a2+b2=c2) we can say 722+722=c2
Then solve for c.
72+72=c2
144=c2
12=c