Terminology (Leaving Cert Mathematics): Flashcards

Angle measuring less than $90°$

Two angles whose measures add up to $90°$

Angle more than $90°$ but less than $180°$

Angle measuring exactly $90°$

Angle greater than $180°$ but less than $360°$

Divides segment or angle into two equal parts

Chord through centre; longest chord in a circle

Longest side of right triangle, opposite right angle

Triangle with at least two sides of equal length

Point dividing line segment into two equal parts

Lines in same plane that never intersect

Lines that intersect to form a $90°$ angle

Quadrilateral with four right angles

Quadrilateral with all sides of equal length

Triangle with all sides of different lengths