| Term | Definition |
|
Triangle Sum Theorem |
the therorem that states that the meassures of the angles in a triangle add up th 180 degrees |
|
acute trianlge |
has 3 acute angles |
|
right triangle |
has 1 right angle |
|
obtuce triangle |
has 1 obtuse angles |
|
equilateral triangle |
has 3 congruent sides and 3 congruent angles |
|
isosceles triangle |
has a least 2 congruent sides and 2 congruent angles |
|
scalene triangle |
has no congruent side and no congruent angles |
|
polygon |
a closed plane figure formed by three or more line segments that intersect only at their endpoints |
|
regular polygon |
a polygon with congruent sides and angles |
|
trapezoid |
a quadrilateral with exactly one pair of parallel sides |
|
parallelagram |
a quadrilateral with two pairs of parallel sides |
|
rectangle |
a parallelogram with four right angles |
|
rhombus |
a parallelogram with all sides congruent |