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square root of 9=3 rational number
square root of 16=4 rational number
square root of 25=5 rational number
square root of 12=2 square root of 3 irrational
square root of 20=2 square root of 5 irrational
Okay. fist off don't think of them as 5 units each, but 1. so if you were to put it on graphing paper and box squares each time. you would be able to get 8 in for both sides to make a square. Area then would be 1600ft squared because 8 ×5 is 40 and 40×40 is 1600. then you calculate how many squares you used. 8×8=64. and 80-64=16 so 16 pieces are left over. then 9×9 (increasing the square) is 81. so 17 pieces to increase it.
Answer:
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Step-by-step explanation:
both diagram present 2/3
