Question

A square has an area of 256 cm2. What is the length of one side of the square?
Answer

128 cm

64 cm

16 cm

4 cm

Answer 1

@dinnertable I think it 128 cm.

Answer 2

@Shadowys @dpgreen

Answer 3

Area = Length x Width, so, what number times itself is equal to 256?
\[x^2 = 256\]
\[x = 16\]

Answer 4

16

Answer 5

I forgot to mention that since that it is a square, both the length and width are equal to each other.