Geometry and TrigonometryEasy–MediumTiles needed for a floor
Geometry and Trigonometry practice question
A rectangular floor measures 5 metres by 4 metres. It is to be covered completely with square tiles that are 50 centimetres on each side. How many tiles are needed?
Answer: 80
The floor is 20 m² and each tile is 0.25 m², so 20 ÷ 0.25 = 80.
Common wrong answers
- If you answered 10
- 10 divides 20 by 2.
- If you answered 20
- 20 is the floor area in square metres.
- If you answered 40
- 40 divides 20 by 0.5, treating the tile as 0.5 m² instead of 0.25 m².
More Geometry and Trigonometry questions
- Easy–Medium
A circle has a radius of 6. What is its area? (Use A = πr².) - Easy–Medium
A right triangle has legs of length 6 and 8. What is the length of the hypotenuse? - Easy–Medium
A circle has a radius of 5. What is its circumference? (Use C = 2πr.) - Easy–Medium
What is the midpoint of the segment joining the points (2, 3) and (8, 11)? - Easy–Medium
What is the measure, in degrees, of angle B? - Easy–Medium
What is the area, in square centimeters, of the trapezoid?
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