Area & Circumference Formulas Flashcards by Stephen Hancock | Brainscape

Q

Right Triangle

A

a2+b2=c2

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Q

bh÷2

A

Triangle

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Q

Rectangle

A

length • width

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Q

Area of a circle

A

∏r2

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Q

1/2 (b1+b2)h

A

Trapezoid

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Q

Circumference of a circle

A

∏d or 2∏r

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Q

Circumference of a circle

A

2∏r or ∏d

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Q

Perimeter of a rectangle

A

2L+2w

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