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Area, Surface Area, and Volume Formulas
This deck covers essential formulas for calculating area, surface area, and volume of various geometric shapes, as well as some basic mathematical concepts and transformations.
Area of a rectangle/ parallelogram
A=bh
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Key Terms
Term
Definition
Area of a rectangle/ parallelogram
A=bh
Area of a triangle
A=bh/2
Area of a trapezoid
A=(b1+b2)h/2
Area of a circle
A=3.14r^2
Surface area of a rectangular prism
SA=2lw+2lh+2wh
Surface area of a triangular prism
SA=2B+Ph
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| Term | Definition |
|---|---|
Area of a rectangle/ parallelogram | A=bh |
Area of a triangle | A=bh/2 |
Area of a trapezoid | A=(b1+b2)h/2 |
Area of a circle | A=3.14r^2 |
Surface area of a rectangular prism | SA=2lw+2lh+2wh |
Surface area of a triangular prism | SA=2B+Ph |
Surface area of a cylinder | SA=2(3.14)r^2+3.14dh |
Surface area of a pyramid | SA=1/2Pl+B |
Surface area of a cone | SA=3.14rl+B |
Surface area of a sphere | SA=4(3.14)r^2 |
Volume of a prism | V=Bh |
Volume of a cylinder | V=3.14r^2h |
Volume of a cone/pyramid | V=1/3Bh |
Volume of a sphere | V=4/3(3.14)r^3 |
Formula for simple interest | I=prt |
Formula for compound interest | B=p(1+r)^t |
Formula for slope | m=y1-y2/x1-x2 |
>: Up or down? | up |
<: Up or down? | down |
translation | add what u must move to (x,y). [EX- move (2.,-3) up one to the right 2= (4,-2)] |
Rotation 90 degrees | (x,y)= (-y,x) |
Rotation 180 degrees | (x,y)= (-x,-y) |
Rotation 270 degrees | (x,y)= (y,-x) |
Formula for Midpoint | M(x2+x1 /2, y2+y1 /2) |
45-45-90 triangle (hypotenuse) | hypotenuse=leg x square root of 2 |
30-60-90 triangle (hyp and ll) | hyp=2 x shorter leg(sl) longer leg= sl x square root of 3 |
nCr | nPr/rPr |
In nPr, n= | permutations of n objects |
In nPr, r= | amount of times you want |