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hampton
Formula 7 grade math
Term | Definition |
---|---|
Area of a square | A= s^2 |
Area of a triangle | A=bh/2 |
Area of a circle | A=pir^2 |
Area of a rectangle | A=bh |
circumference of a circle | C=pid or C=2pir |
perimeter of a rectangle | P=2l+2w |
perimeter of a triangle | P=sl+s2+s3 |
perimeter of any shape | P=sum of all sides |
constant of proportion | Y=kx andk=y/x |
percent proportion | is/of = %/100 |
percent of change proportion | change/original=%/100 |
tax,tip,markup,commission | is/of=%/100,then(+) |
sales,discount,markdown | is/of=%/100,the(-) |
% of Error | =Ev-Av/Av x100 |
simple interest | I=PRT |