Answer:
18) 171.5π in²
20) 114π ft²
22) 120π yd²
24) 30.625π mi²
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
5.7m questions
7.5m answers