What is 13ft by 8ft into sq yard?

By the area formula of what I assume is a parallelogram, the total ft2 is 13(8) = 104. Hence, we divide by 9, yielding 104/9 yd2.

Alternatively, we can note that each is 3 feet, so we divide by 3, producing (13(8))/(3(3)) = 104/9 yd2.