16Hit1600
Advanced MathEasySide of a square courtyard

Advanced Math practice question

A square courtyard has an area of 400 square metres. What is the length of one side, in metres?

Answer: 20

20 × 20 = 400.

Common wrong answers

If you answered 40
40 doubles 20.
If you answered 100
100 divides 400 by 4.
If you answered 200
200 halves 400.

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