A square and a rectangle have the same perimeter of 40 cm. What is the area of the square?
- A.80
- B.90
- C.100 ✓
- D.110
Explanation: Square's side = 40 ÷ 4 = 10 cm, so its area = 10 × 10 = 100 cm² (the rectangle's dimensions don't matter for this question).
Class 6 IMO Mathematics Olympiad practice · Geometry & Spatial Thinking · Perimeter & Area
← All Perimeter & Area questions