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OpenStudy (anonymous):
A plot of land is bounded by a 140 degree circular arc and two 80 foot radii of the same circle. Find the perimeter of the plot, as well as its area.
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OpenStudy (mathstudent55):
Have you tried drawing it?
OpenStudy (anonymous):
Yeah
OpenStudy (mathstudent55):
|dw:1457915240111:dw|
OpenStudy (anonymous):
I did that. yes
OpenStudy (mathstudent55):
A full circle has a central angle of 360 degrees.
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OpenStudy (mathstudent55):
Let's work on the perimeter first. The perimeter is made up of the two sides (radii) 80 ft long, and the arc of circle. What is the circumference of a circle? Do you know the formula?
OpenStudy (mathstudent55):
|dw:1457915475039:dw|
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