Question

Darnell used one small can of polyurethane to seal a square patch of his hardwood floor. The can advertised coverage of fifty square feet. What is the approximate side length of the square Darnell sealed?

7 feet

8 feet

twenty-five feet

forty-nine feet


Please a direct reply, I don't have much time there is a storm where I live and my computer may go out!

Answer 1

If the area is a square the the length of a side is the square root of the area. So:
\[s=\sqrt{A}\]\[s=\sqrt{50}\]

Exact answer: \[s=\sqrt{50}\] Approximate answer: \[s \approx 7.071 \]

Closest answer is (A)

Answer 2

thank you!!!