An apple pie has a 12-inch diameter and the angle of one slice is 60 degrees. What is the area of that slice of pie? Use 3.14 for pi .
14.13 square inches
75.36 square inches
3pi square inches
18.84 square inches
0.52 square inches
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OpenStudy (thcsbabygirl1224):
@AloneS.
OpenStudy (mathstudent55):
A full circle has how many degrees?
OpenStudy (alones.):
Yes, hold on.
OpenStudy (thcsbabygirl1224):
360
OpenStudy (mathstudent55):
|dw:1463507308597:dw|
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OpenStudy (mathstudent55):
Correct.
The slice is 60 degrees.
60 degrees is what part of 360 degrees?
OpenStudy (alones.):
Since the whole pie has 360 degrees, 60 degrees would be 60/360 which is 1/6 of the pie.
The entire pie has an area of 3.14*6^2= 113.04
1/6 of 113.04 is 18.84
OpenStudy (alones.):
Oops, I didn't mean to give out the answer like that.
OpenStudy (mathstudent55):
60/360 = 1/6
Since 60 out of 360 is 1/6, the area of the slice is 1/6 the area of the circle.
Use the formula for the area of a circle, and then divide by 6.
OpenStudy (thcsbabygirl1224):
18.84 then if so can you help me on my next too
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