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7th Grade EOY Final
| Term | Definition |
|---|---|
| Angle | A figure formed by two rays with a common endpoint called the vertex |
| Similar Shapes | Figures with the same shape but not necessarily the same size |
| Corresponding Sides | Matching sides of two or more polygons |
| Corresponding Angles | Angles in the same relative position in polygons with an equal number of sides |
| Ratio | A comparison of two quantities by division (Fraction) |
| Scale | Ratio between two sets of measurements |
| Polygon | A closed plane figure formed by three or more line segments that intersect only at their endpoints |
| Scale Drawing | Drawing that uses a scale to make an object smaller or larger than the real object |
| Circumference | The distance around a circle |
| Diameter | A line segment that passes through the center of the circle and whose endpoints lie on the circle |
| Radius | A line segment with one endpoint at the center of the circle and the other endpoint on the circle |
| Pi | The ratio of the circumference to the diameter (C/d), which is the same for all circles |
| Area | The number of square units needed to cover a given surface |
| Composite figure | A figure that is made up of 2 or more simple geometric shapes |
| Volume | the number of cubic units needed to fill a given space (inside) |
| Total Surface Area (TSA) | the sum of all the areas of all the faces, or surfaces of a 3 |
| "B" | area of the base of a 3 dimensional figure |
| Range | the difference in the least and greatest value |
| Upper Quartile | the median of the upper half of the data |
| Mode | the number that occurs most frequently |
| Median | the middle number in an ordered set of data |
| Lower Quartile | the median of the lower half of the data |
| Interquartile Range (IQR) | the difference between the upper and lower quartiles in a box and whisker plot |
| Fixed Expense | an expense that stays the same from month to month |
| Variable Expense | an expense that changes from month to month |
| Asset | something owned with a positive cash value |
| Liability | something owed, a debt with a negative cash value |
| Discount | a deduction from the usual cost of something, |
| Sales Tax | a tax imposed by state or local government, it is a percent of the total cost of goods and services |
| Principal | the initial amount of money borrowed or saved |
| Gross Pay | a worker's pay before any amounts are deducted, or taken out |
| Net Pay | gross pay minus all deductions |
| Taxable Income | the total amount of income minus deductions |
| Income Tax | an annual government tax on personal incomes |
| Interest | the amount of money charged for borrowing or using money, or the amount of money earned by saving money (a percentage) |
| Simple Interest | It is found using the formula I = Prt, where P represents the principal, r the rate of interest, and t the time |
| Lateral Surface Area (LSA) | the sum of all the areas of the lateral faces not including the bases |
| Indirect Measurement | The technique of using similar figures and proportions to find a measurement |
| Net Worth | the difference between your total assets and liabilities; can be positive or negative |
| Rebate | a partial refund to someone who has paid too much money for tax, rent, or a utility |
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