Geometry Flashcards by Frank Tamborello

Q

Volume of a sphere

A

(4/3) * pi * r^3

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Q

Surface area of a sphere

A

4 * pi * r^2

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Q

Area of a trapezoid

A

(1/2) * H * (a + b)

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Q

Area of a parallelogram

A

a * h…or: a * b * sin(theta)

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Q

tangent

A

opp / adj

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Q

cosine

A

adj / hyp

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Q

sine

A

opp / hyp

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Q

Area of a Circle

A

πr^2 or (πD^2)/4

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