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Homework Statement
http://education.Alberta.ca/media/9451970/07_math30-1_released_2014-15.pdf
question #7
Homework Equations
a=theta*r
The Attempt at a Solution
I did a=(5pi/6)*20 but the answer is not A
I think 'total perimeter' here means you go entirely around the area which is swept out by the wiper.Homework Statement
http://education.Alberta.ca/media/9451970/07_math30-1_released_2014-15.pdf
question #7
Homework Equations
a=theta*r
The Attempt at a Solution
I did a=(5pi/6)*20 but the answer is not A
I agree with SteamKing's appraisal.I think 'total perimeter' here means you go entirely around the area which is swept out by the wiper.
I think 'total perimeter' here means you go entirely around the area which is swept out by the wiper.