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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 |