Dallasb22
Express answers in simplest exact form.
What is the area of a sector with measure of arc equal to 90° and radius equal to 1 foot?



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Freyes
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Well if you draw this as a circle

Freyes
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and 90 degrees of it makes it 1/4 of the entire circle

Freyes
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so the you have the area of a circle which pi r ^ 2

Freyes
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then over 4

Freyes
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so the answer is pi/4

Dallasb22
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OH yeah, sorry i forgot 90: 1/4.

Freyes
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no problem

Dallasb22
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Thanks for your help!