Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
29 Cards in this Set
- Front
- Back
|
Sum of the Interior Angles in a Polygon |
(n-2)180 |
|
|
Individual Exterior Angle of a Regular Polygon |
360/n |
|
|
Sum of the Exterior Angles of a Polygon |
360* |
|
|
Single Interior Angle of a Regular Polygon |
(n-2)180/n |
|
|
6 sided polygon |
hexagon |
|
|
12 sided polygon |
dodecagon |
|
|
Quadrilateral |
4 sided polygon |
|
|
Parallelogram |
a quadrilateral whose opposite sides are parallel |
|
|
Rectangle |
a quadrilateral with four right angles |
|
|
Square |
a quadrilateral with four congruent angles and four congruent sides |
|
|
Rhombus |
a quadrilateral with four congruent sides |
|
|
Trapezoid |
a quadrilateral with exactly one pair of parallel sides |
|
|
Isosceles Trapezoid |
trapezoid with congruent legs |
|
|
Kite |
quadrilateral with two pairs of congruent adjacent sides |
|
|
Tesselation |
* a design or pattern in which a shape is used to cover a plane with no gaps, overlaps, or empty spaces * the sum of the angles surrounding one vertex = 360 degrees |
|
|
Regular Tesselation |
a tessellation made with only one type of regular polygon |
|
|
Semi-regular Tesselation |
a tessellation made with more than one type of regular polygon |
|
|
Irregular Tesselation |
a tessellation made with an irregular polygons, or other figures |
|
|
Parallelogram Properties |
*Opposite sides are parallel * Opposite sides are congruent * Opposite angles are congruent * Consecutive angles are supplementary * Diagonals bisect each other |
|
|
Rectangle Properties |
*Opposite sides are parallel * Opposite sides are congruent * Opposite angles are congruent * Consecutive angles are supplementary * Diagonals bisect each other * All angles are right angles * Diagonals are congruent |
|
|
Rhombus Properties |
*Opposite sides are parallel
* Opposite sides are congruent * Opposite angles are congruent * Consecutive angles are supplementary * Diagonals bisect each other * All four sides are congruent. * Diagonals are perpendicular * Diagonals bisect opposite angles
|
|
|
Square Properties |
* Opposite sides are parallel
* Opposite sides are congruent * Opposite angles are congruent * Consecutive angles are supplementary * Diagonals bisect each other * All four sides are congruent * Four right angles * Diagonals are congruent * Diagonals are perpendicular * Diagonals bisect opposite angles |
|
|
Median of a Trapezoid |
Segment connecting the midpoints of each leg *parallel to bases * 1/2 (b1 + b2) |
|
|
Isosceles Trapezoid Properties |
* Base angles are congruent * diagonals are congruent |
|
|
Kite Properties |
*adjacent sides are congruent *diagonals are perpendicular *one pair of opposite angles are congruent *one diagonal bisects the other diagonal and the angles at the endpoints *one diagonal is a line of symmetry |
|
|
Polygon |
closed figure formed by more than 2 co-planar segments, that intersects only at their endpoints |
|
|
Regular Polygon |
a polygon where all angles are congruent and all sides are congruent |
|
|
Concave Polygon |
* polygon with an indented side * at least one interior angle measures greater than 180 degrees |
|
|
Convex Polygon |
* a polygon with no indentations * all interior angles are less than 180 degrees |
