Nora spends part of her summer driving acombineduring the wheat harvest. Assume she starts at the indicated position heading east at10 ft/sectoward a circular wheat field of radius300ft.The combine cuts a swath20 feetwide and begins when the corner of the machine labeled "a" is90feetnorth and90feetwest of the western-most edge of the field. (Round your answers to one decimal place.)

When does Nora's rig first start cutting a swath 20 feet wide?

Estimate the area of the swath cut during this pass across the field.

ft2