57 The windshield wiper of a car rotates through an angle of measure radians, as
6
shown.
10 in.
511
-6
2 in.
I
The shaded section of the diagram represents the area cleared by the
10-inch blade of the windshield wiper as it moves from one side to the other.
Approximately what is the area cleared by the blade of the windshield wiper?

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright