Respuesta :
40 feet, because if it has 4 sides and each one is 10 then 10 x 4 = 40. It's weird that it's a rectangle but it still has the same length and width.
40 ft !
40 ft !
Answer:40
Step-by-step explanation:
Premeter = a+a+a+a
A rectangle has four sides
10x4 or 10+10+10+10