Advanced MathEasySquare with the area of a rectangle
Advanced Math practice question
A square has the same area as a rectangle that is 2 centimetres by 8 centimetres. What is the side length of the square, in centimetres?
Answer: 4
The rectangle's area is 16 cm², and 4² = 16.
Common wrong answers
- If you answered 5
- 5 is half the rectangle's perimeter divided by 2; areas, not perimeters, are equal.
- If you answered 8
- 8 is the rectangle's length.
- If you answered 16
- 16 is the area, not the side.
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