A 12 cm by 9 cm rectangle has a square corner of side 4 cm removed. What is the remaining area?
Note
First find the rectangle area: 12 × 9 = 108 cm². Then subtract the removed square: 4 × 4 = 16 cm². The remaining area is 92 cm².
A 12 cm by 9 cm rectangle has a square corner of side 4 cm removed. What is the remaining area?
First find the rectangle area: 12 × 9 = 108 cm². Then subtract the removed square: 4 × 4 = 16 cm². The remaining area is 92 cm².