Formulas Flashcards by Michele Powers

Q

Area of circle

A

πr²

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Q

Circumference

A

2πr or πd

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Q

Directed line segment

A

Px = x + k (x2-x1)
Py= y + k (y2-y1)

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Q

Point slope

A

Y - y1 = m(x - x1)

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