40 x 5280 = 211200 feet per hour
211200 / 3600 = 58.666 = 59 feet per second
That's the diagram..
(12×3) + 3(0.67×7) = 50.07inches²
≈ 50inches²
hope this helps
make it the brainliest if it's correct....
there is no length in a circle
180................................l.