i need help on this i posted this but people were giving me "funny"? answer or just saying the answer is "no" "go ask ur teacher"

i need help on this i posted this but people were giving me funny answer or just saying the answer is no go ask ur teacher class=

Respuesta :

Im pretty sure the answer is 3,600

Answer:

4,350 yards squared

Step-by-step explanation:

40x40=1600

40+70/2 x50=2750

2750+1600=4350

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