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gotta memorize these for m3h midterm
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distance equation
d is equal to the square root of (x2-x1)² + (y2-y1)²

area of a parallelogram
A=bh
Area of a rhombus
A=bh OR A=1/2 (d1)(d2)
area of a kite
A=1/2 (d1)(d2)
area of a trapezoid
A=1/2h (b1+b2)
surface area of a sphere
SA=4 pi²
volume of a sphere
V=4/3 pi³
surface area of a cylinder
SA=2 pi h+2 pi r²
volume of cylinder
V=pi r² h
surface area of a rectangular prism
SA= 2wh + 2lh + 2lw
volume of a rectangular prism
V= lwh
surface area of a cone
SA= pi rl + pi r²
volume of a cone
V=1/3 pi r² h
what are tan0 +1’s?
sec!