A fence surrounds a square plot of land. The area of the land is 324 yd2.
324 y d squaredFind the length of each side of the fence.
Use the strategy Systematic Guess and Check.
10×10=
10 times 10 equals blankThe initial guess is (correct, high, low).
20×20=
20 times 20 equals blankThis guess is (correct, high, low).
×=324
blank times blank equals 324This guess is correct.