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ch.4 vocab.
math vocab ch. 4
Question | Answer |
---|---|
Triangle | a polygon with three sides. |
Scalene triangles | no congruent sides. |
isosceles triangle | at least 2 congruent sides. |
equilateral triangle | 3 congruent sides. |
acute triangles | 3 acute angles |
right triangle | 1 right angle |
obtuse triangle | 1 obtuse angle |
equilateral triangle | 3 congruent angles |
interior angle | the original angles. |
exterior angles | the angles that form linear pairs. |
corollary to a theorem | a statement that can be proved easily using the theorem. |
congruent figures | all the parts of one figure are congruent to the corresponding parts of the other figure. |
corresponding parts | parts of a figure that correspond to each other. |
legs | the sides adjacent to the right angle. |
hypotenuse | the side opposite of the right angle. |
flow proof | uses arrows to show the flow of a logical argument. |
vertex angle | the angles formed by the legs. |
base | the third side of a isosceles triangle. |
base angles | the tow angles adjacent to the base angle. |