Year 9 Angle Rules and Terms


Key words for Year 9 students in NZ for Geometry
Mark Plant
Flashcards by Mark Plant, updated more than 1 year ago More Less
Mark Plant
Created by Mark Plant over 6 years ago
Mark Plant
Copied by Mark Plant about 5 years ago
Mark Plant
Copied by Mark Plant about 5 years ago

Resource summary

Question Answer
Alternate angles on parallel lines are equal
Co-interior angles on parallel lines add to 180°
Corresponding angles on parallel lines are equal
Angles on a line add up to 180°
Angles at a point add up to 360°
Interior angles of a triangle add up to 180°
Vertically opposite angles are equal
Base angles of an Isosceles triangle are equal
De (Regular) Octagon
(Regular) Hexagon
(Regular) Pentagon
Equilateral Triangle
A 90° angle Right Angle
Obtuse Angles are between 90° and 180°
Acute Angles are less than 90°
Reflex Angles are more than 180°
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