Geometry Flashcards by Chelsea Harmon | Brainscape

Q

Sum of interior angles (degrees)

A

180 (n - 2)

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Q

Isosceles right triangle

A

Hypotenuse is sqrt(2) times its sides

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Q

30, 60, 90 triangle

A

1:sqrt(3):2

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Q

Area of an arc

A

fraction of degrees times by area formula

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