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Answer :

Answer:

18) 171.5π in²

20)  114π ft²

22) 120π yd²

24)  30.625π mi²

Step-by-step explanation:

18) π*14² * 315/360 = 171.5π in²

20) π*12² * (19π/12)/(2π) = 114π ft²

22) π*12² *(5π/3)/(2π) = 120π yd²

24) π*7² * 225/360 = 30.625π mi²

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