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Math terms 1 sem.
terms, and stuff
| Question | Answer |
|---|---|
| a line is | has 2 dementions it extends without end |
| ray | has one end and and goes to infinity ._____> |
| a point | has no demention and is represented by a dot |
| segment | to end points does not go till infinity .______. |
| collinear | points that lie on the same line |
| coplaner | points that are in the same plane |
| complamentry angle | angles that add up to 90 |
| supplementry angle | angles that add up to 180 |
| equilateral | a triangle with 3 congruent sides |
| equalangular | a triangle with 3 congruant angles |
| regular | all sides and angles are congruent |
| perimeter | all the out sides added up together |
| circumference | for a circle it is 2 pie R (((((OR)))) D pie |
| area of a circle | it is pie R squared |
| counter example | a spicific case that shows a conjecture is false |
| conditional statements | a type of logical statement that has two parts a hypothesis and a conclusion |
| deductive reasoning | a processes that uses facts def. accepted properties and the laws of logic to from a logial argument |
| inductive reasoning | a process that includes looking for patterns and making conjectures |
| skew | do not intersect and are not coplainer |
| scalene | a triangle with no congruent sides |
| isosceles | a triangle with at least 2 congruent sides |
| acute | an angle with a measure between 0 and 90 |
| obtuse | an angle with a measure between 90 and 180 |
| negation | the oppisate of the orgignal statement |
| converse | to switch the hypothsis and the the conclusion |
| inverse | to negate both the hypothsis and the conclusion |
| contrapositive | the converse and negation of both the hypothsis and they conclusion |