CIRCLES, ARCS AND SECTORS Flashcards

1
Q

What is the circumference of a circle?

A

C = π x d

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2
Q

what is the formula for an area of a circle?

A

A= π x r^2

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3
Q

what is the formula for the volume of a sphere?

A

V = 4/3 x π x r^3

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4
Q

what is the area of a sector?

A

angle/360 x π x r^2

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5
Q

what is the length of an arc

A

angle/360 x π x D

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