The line plot below displays the fraction of incoming calls answered before the second ring by a group of employees. What fracti
on of employees answered less than of their incoming calls before the second ring?
1 answer:
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Answer:
Area swept by the blade = 448
Step-by-step explanation:
The arc the wiper wipes is for 135 degrees angle.
So, find area of sector with radius 24 inches. And the find area of arc with r=14 inches.
Then subtract the area of sector with 14 inches from area of sector with radius as 24 inches.
So, area of sector with r=24 in =
Simplify it,
=216
Now, let's find area of sector with radius 14 inches
Area of sector with r=14 in =
Simplify it
=73.5
So, area swept by the blade = 216 -73.5
Simplify it and use pi as 3.14.....
Area of swept =678.584 - 230.907
=447.6769
Round to nearest whole number
So, area swept by the blade = 448