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OAA Review
| Term | Definition |
|---|---|
| area | The amount of square units covered by a two dimensional figure. |
| congruent | To have equal side lengths and equal angle measures. |
| prism | A polyhedron with two congruent and parallel polygon-shaped faces. |
| rectangular prism | A polyhedron with two congruent and parallel rectangular-shaped faces. |
| surface area | The total area of the outer part of a three dimensional object. |
| pyramid | A polyhedron whose base can be any polygon and whose faces are triangles. |
| volume | The amount of three dimensional space an object occupies. |
| cube | A box-shaped solid object that has six identical square faces. |
| cubic units | A unit for measuring volume. It is the amount of three dimensional space an object occupies with each edge ONE unit long. |
| three dimensional | An object that has length, width, and depth. |
| scalene triangle | a triangle with no equal sides. |
| isosceles triangle | a triangle that has exactly two equal sides. |
| scale factor | The ratio used to enlarge or reduce an object creating similar figures. |
| scale drawing | A drawing that uses a scale to make an object smaller or larger than the actual object. |
| inverse operation | The operation that reverses the effect of another operation. |
| expression | Contains variables, numbers, and operations. It does not contain and equal sign. |
| equation | A mathematical sentence that shows two expressions are equal. |
| Order of Operations | Evaluate expressions in the following order: parenthesis, exponents, multiplication, division, addition, then subtraction. |
| solution | A number that makes an equation true when it is substituted for the variable. |
| inverse | The operation that reverse the effect of another operation. |
| discount | A deduction from the usual cost of something. |
| sales tax | A rate in which a state or local government require on the retail sale of specified property or services. |
| tip | An amount left voluntarily beyond obligation usually for some service. |
| markup | The amount added to the cost price of goods to cover overhead and profit. |
| retail price | The total price charged for a product sold to a customer, which includes the manufacturer's cost plus retail markup. |