Circles Flashcards by shiv pandey

Q

WHAT IS AREA OF SEGMENT

A

r² [ (πθ/360) – (sinθ/2) ]
where r is radius, θ in degrees.

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Q

What is the formula for the area of a sector?

A

Area of sector = (θ/360) * πr²

θ is the angle in degrees.

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Q

What is the formula for arc length?

A

Arc length = (θ/360) * 2πr

θ is the angle in degrees.

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