SAT Geometry

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13 Terms

1
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Vertical Angles

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Corresponding angles

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Total angle formula

(n-2)*180

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<p>What is true here?</p>

What is true here?

x+y=z

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For a trangle with given side values of a and b, how can we guess what the value of the third side x is?

(a-b) < x < (a+b)

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A smaller angle corresponds to a _____ side,

while a larger angle corresponds to a _____ side.

smaller

larger

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How do you convert degrees —> radians?

degree * (π/180) = radian

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How do you convert radians —> degrees?

radian * (180/π) = degree

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sin(30) = ???

cos(x-20)

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Arc Length

s = rθ

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Sector area

πr² * (θ/360)

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Inscribed angle = ½Center Angle

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Distance Formula (finding the distance between 2 points)

d = √[(x2 - x1)² + (y2 - y1)²]