Geometry and TrigonometryEasyArea of a rectangular rug
Geometry and Trigonometry practice question
A rectangular rug measures 7 feet by 9 feet. What is its area, in square feet?
Answer: 63
Area of a rectangle = length × width = 7 × 9 = 63.
Common wrong answers
- If you answered 16
- 16 is 7 + 9, adding instead of multiplying.
- If you answered 32
- 32 is the perimeter, 2(7 + 9).
- If you answered 31.5
- 31.5 halves the product, as if the rug were a triangle.
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