The windshield wiper of a car rotates through an angle of measure
56
shown.
6
10 in.
50
2 in.
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 ceared by the blade of the windshield wiper?
Amayoral candidate would like to know her residentsโ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample