A square sheet of side 20 cm has a smaller square of side 8 cm cut from one corner. What is the remaining area?
- A.312
- B.320
- C.336 ✓
- D.344
Explanation: 400 − 64 = 336 cm².
Class 6 IMO Mathematics Olympiad practice · Geometry & Spatial Thinking · Perimeter & Area
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