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Formulas
Formula | Meaning |
---|---|
A=s^2 | Area of a square |
A=bh | Area of Rectangle |
A=bh/2 | Area of a triangle |
A=PIr^2 | Area of a circle |
C=PId | Circumference of a circle |
P=2L+2W | Perimeter of a rectangle |
P=s1+s2+s3 | perimeter of a triangle |
P=sumofallsides | perimeter of any shape |
Y=kx | constant of proponality |
is/of=%/100 | percent proportion |
change/orginal=%/100 | percent of change |
is/of=%/100 | tax |
is/of=%/100 | sales |
%=|EV-AV/AV|x100 | % of error |
I=prt | simple intrest |