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geo final review

geometry final exam terms

TermDefinition
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
Created by: CHSgeometry