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Geometry & Trigonometry
ACT
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Triangle
A=1/2bh
Rectangle
A=lw (Perimeter=2l+2w)
Square
A=s² (Perimeter=4s)
Parallelogram
A=bh
Circle
A=pie r²
C=2pie r
Trapezoid
A=1/2(b_1+b_2)h
Kite
A=1/2lw
Rectangular prism
V=lwh
Cube
V=s³
Surface Area=6s²
Right Cylinder
V=pie r²h