Check the attached file for the answer.
Squares have all equal sides so 10x4=40 40 ft is the answer
Hey There :)
This is because one is half of two. You could also multiply 2 * 0.5= 1, 0.5 represents

and two is the whole number. This is how

of two equals one.
Have A Brainly Day :)
12525241561255.4252626 i DOnT know I wish I could help