A plot of land is b… - QuestionCove

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Mathematics 7 Online

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.

10 years ago

OpenStudy (mathstudent55):

Have you tried drawing it?

10 years ago

OpenStudy (anonymous):

Yeah

10 years ago

OpenStudy (mathstudent55):

|dw:1457915240111:dw|

10 years ago

OpenStudy (anonymous):

I did that. yes

10 years ago

OpenStudy (mathstudent55):

A full circle has a central angle of 360 degrees.

10 years ago

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?

10 years ago

OpenStudy (mathstudent55):

|dw:1457915475039:dw|

10 years ago

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