A kids karate match is held on a square mat that has an area of 361ft squared. Wat is the length of each side?
+980 Area of a square = length^2
$$x^2=361$$
$$\sqrt{x^2}=\sqrt{361$$
$$x=19 ft$$
+980 Area of a square = length^2
$$x^2=361$$
$$\sqrt{x^2}=\sqrt{361$$
$$x=19 ft$$
