A 10 cm by 8 cm rectangle has a square corner of side 3 cm removed. What is the remaining area?
Note
First find the rectangle area: 10 × 8 = 80 cm². Then subtract the removed square: 3 × 3 = 9 cm². The remaining area is 71 cm².
A 10 cm by 8 cm rectangle has a square corner of side 3 cm removed. What is the remaining area?
First find the rectangle area: 10 × 8 = 80 cm². Then subtract the removed square: 3 × 3 = 9 cm². The remaining area is 71 cm².