Radians Flashcards by Harry Flook

Q

Length of arc

A

r θ

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Q

Area of segment

A

0.5*r^2(θ-sin θ)

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Q

Length of chord

A

2rsin θ/2

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Q

Aria of triangle

A

1/2r^2sin θ

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Q

Area of sector

A

1/2r^2 θ

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