11.1-11.8 Flashcards by Marissa T | Brainscape

Q

Circumference of a circle

A

C=2piR=dpi

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Q

Arc length formula

A

Arc length/2piR= arc measure/360

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Q

Distance traveled

A

Distance=(revolutions)(circumference)

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Q

Convert to radius

A

Degrees/1=pi/180

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Q

Radians to degrees

A

Radian=180/pi

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Q

Area of a circle

A

A=piR^2

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Q

Population density

A

Population density=number of people/area of land

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Q

Area of a sector

A

Area of sector/piR^2=measure of angle/360

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Q

Area of square

A

A=s^2

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Q

Area of triangle

A

1/2Bh

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Q

Area of rectangle with

A

B*w

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Q

Area of trapezoid

A

1/2*h(b1+b2)d

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