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geo final review
geometry final exam terms
| Term | Definition |
|---|---|
| midpoint | a point that divides a segment into two congruent parts |
| angle bisector | a segment, line, or ray that divides an angle into two equal parts |
| perpendicular bisector | a line that intersects a segment at its midpoint at a right angle |
| complementary angles | angles that add up to 90 degrees |
| supplementary angles | angles that add up to 180 degrees |
| perpendicular lines | lines that intersect to form 4 right angles |
| parallel lines | lines that are coplanar and do not intersect |
| vertical angles | a pair of opposite angles formed by two intersecting lines |
| congruent polygons | polygons with congruent corresponding angles and sides |
| similar polygons | polygons with congruent corresponding angles and proportional corresponding sides |
| acute angle | angle with a measure between 0 and 90 |
| obtuse angle | angle with a measure between 90 and 180 |
| equilateral triangle | triangle with 3 congruent sides |
| scalene triangle | triangle with no congruent sides |
| isosceles triangle | triangle with 2 congruent sides |
| transversal | a line that intersects two or more lines |
| rhombus | quadrilateral with 4 congruent sides |
| kite | quadrilateral with no parallel sides and diagonals that are perpendicular |
| square | a regular quadrilateral |
| rectangle | a parallelogram with congruent diagonals |
| trapezoid | a quadrilateral with a pair of parallel sides |
| parallelogram | a quadrilateral with two pairs of parallel sides |
| secant | a line that intersects a circle at two points |
| tangent | a line that intersects a circle at one point |
| chord | a segment with endpoints on the circle |
| radius | a segment that connects the center of a circle with a point on the circle |
| diameter | a segment with endpoints on the circle that goes through the center |