MMMM Flashcards by Gianna V.

Q

Area of a circle

A

A = \pi r^2

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Q

Circumference

A

C = 2 \pi r

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Q

Arc length

A

Lenth of arc. dégrée of arc
—————– =
2 x pie x r. 360

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Q

Area of sector

A

Area of sector. Degree of arc
———————- = —————-—
pie x r^2. 360

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