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Geometry: Chapter 5
49097 - Quadrilateral Terms
| Question | Answer |
|---|---|
| parallelogram | quadrilateral with two pairs of parallel sides |
| rhombus | equilateral quadrilateral |
| rectangle | equiangular quadrilateral |
| square | quadrilateral that is both a rhombus and a rectangle |
| kite | quadrilateral with two pairs of consecutive congruent sides |
| trapezoid | quadrilateral with one pair of parallel sides |
| midsegment | a segment that connects the midpoints of two sides in a triangle or that connects the midpoints of the two legs in a trapezoid |
| isosceles trapezoid | a trapezoid with congruent legs |
| length of a midsegment | the average of the lengths of the two bases |
| reflexive property | allows you to say that something is congruent to itself |
| A.I.A. conjecture | if two lines are parallel, then the alternate interior angles are congruent |
| What is true about the diagonals in a parallelogram? | they bisect each other |
| What is true about the diagonals in a rhombus? | they are perpendicular bisectors of each other |
| What is true about the diagonals in a rectangle? | they are congruent and bisect each other |
| What is true about the diagonals in a kite? | they are perpendicular |
| CPCTC | corresponding parts of congruent triangles are congruent |
| sum of the exterior angles of a polygon | 360 degrees |
| sum of the interior angles of a polygon | 180(n-2) |