A 18 cm by 10 cm rectangle has a square corner of side 3 cm removed. What is the remaining area?
Note
First find the rectangle area: 18 × 10 = 180 cm². Then subtract the removed square: 3 × 3 = 9 cm². The remaining area is 171 cm².
A 18 cm by 10 cm rectangle has a square corner of side 3 cm removed. What is the remaining area?
First find the rectangle area: 18 × 10 = 180 cm². Then subtract the removed square: 3 × 3 = 9 cm². The remaining area is 171 cm².