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Math Vocab Test
Chapter 4
Term | Definition |
---|---|
Triangle | is a polygon with three sides |
Interior Angle | the original angles are the interior angles |
Exterior Angles | The angles that form linear pairs with the interior angles are this |
Corollary to a theorem | is a statement that can be proven easily using a the theorm |
Scalene Triangle | triangle that doesn't have any equal sides |
Isosceles Triangle | triangle that has 2 equal sides |
Equilateral Triangle | triangle that has 3 equal sides |
Acute Triangle | Triangle that has 3 acute angles |
Right Triangle | triangle that has 1 right angle |
Obtuse Triangle | triangle that has 1 obtuse angle |
Equiangular Triangle | triangle that has all angles equal |
Congruent figures | Have congruent parts; exactly equal in size and shape |
Corresponding parts | parts (angles or sides) are in the same relative position each of the figures |
Leg of a right triangle | Two sides that form a right triangle |
Hypotenuse | the sides adjacent to the right triangle |
Flow Proof | this proof format shows the structure of a proof using boxes and connecting arrows |
Transformation | is an operation that moves or changes a geometric figure in someway to produce new figure |
Image | new figure is called this |
Translation | moves every point of a figure the same distance in the same direction |
Reflection | uses a line of reflection to create a mirror image of the original image |
Rotation | turned a figure about a fixed point called the center of rotation |
Congruence transformation | changes the position of the figure without changing its size or shape |