The perimeter of a rectangle is 40 cm. If its width is 10 cm, then find the length.
A. 10
B. 20
C. 30
D. 40
Answer:A
The perimeter of a rectangle is 40 cm. If its width is 10 cm, then find the length.
A. 10 B. 20 C. 30 D. 40
Explanation: Perimeter of a rectangle = 40 cm