Geometry and TrigonometryEasyArea of a rectangle
Geometry and Trigonometry practice question
A rectangular rug is 7 metres long and 3 metres wide. What is its area, in square metres?
Answer: 21
Area = length × width = 7 × 3 = 21.
Common wrong answers
- If you answered 10
- 10 is 7 + 3.
- If you answered 20
- 20 is the perimeter, 2(7 + 3).
- If you answered 49
- 49 is 7².
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