A 20 cm by 15 cm rectangle has a square corner of side 5 cm removed. What is the remaining area?
Note
First find the rectangle area: 20 × 15 = 300 cm². Then subtract the removed square: 5 × 5 = 25 cm². The remaining area is 275 cm².
A 20 cm by 15 cm rectangle has a square corner of side 5 cm removed. What is the remaining area?
First find the rectangle area: 20 × 15 = 300 cm². Then subtract the removed square: 5 × 5 = 25 cm². The remaining area is 275 cm².