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02-04-2017
Mathematics

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Calculate the area of the shaded sector.

11.73

11.2

11.4

11.83

Calculate the area of the shaded sector 1173 112 114 1183 class=

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02-04-2017

The formula for the area of a circle is

A=πr²
plug in the data we know
A=π4²
A=16π

Since we only we need to find the area of the shaded section, we need to twerk this equation a bit. (remember that the shaded section is 84/360 of the original circle.)

A=84/360*16π
A=11.728
A=11.73 units²

answer: A=11.73 units²

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