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10 terms

Math- Ch. 8

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Right Triangle Area Formula
A= (1/2)hb= hb/2
altitude
the perpendicular segment from a vertex to the line containing the opposite side
Triangle Area Formula
A= (1/2)hb
Trapezoid Area Formula
A= (1/2)h(b1+b2)
Parralellagram Area Formula
A= bh
Pythagrean Theorem
a^2+b^2=c^2
Circle Circumference Formula
C= πd
C= 2πr
Computing Arc Length
2πr * (x/360)
Circle Area Formula
A= πr^2
Areas of Sectors
πr^2 * (x/360)