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Darian, Thavychith
Formula for 7th grade math
Term | Definition |
---|---|
Area of a Spuare | A=S^2 |
Area of a Rectangle | A=bh |
Area of a Triangle | A=bh/2 |
Area of a Circle | A=Pii*r^2 |
Circomference of a cirecle | Pii*d Or C=2*pii*r |
Perimeter of a rectangle | P=2(L)+2(w) |
perimeter of a Triangle | P=SL+S2+S3 |
perimeter of ant shape | P=sum of all sides |
Constant of Proportionality | Y=Kx And K=y/x |
percent proportion | is/of=%/100 |
Percent of change proprtion | Change/original =%/100 |
Tax,Tip,Markup,commission | Is/of=%/100,then(+) |
Sales,Discount,Markdown | Is/of=%/100,then(-) |