Properties of Triangles (Junior Cert Mathematics): Flashcards
📚Flashcards
Practise the cards
7 cards from this deck
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Practise the cards
7 cards from this deck
Sum of 3 interior angles in any triangle
Sum of 3 interior angles in any triangle
Finding missing angle when 2 angles known
Finding missing angle when 2 angles known
Subtract sum of 2 known angles from
What is an exterior angle of a triangle?
What is an exterior angle of a triangle?
Angle formed when one side of triangle is extended
Exterior angle equals
Exterior angle equals
Sum of two opposite interior angles
Third angle if two angles are and
Third angle if two angles are and
(since )
Exterior angle if opposite angles are &
Exterior angle if opposite angles are &
(since )
Interior angles sum to applies to
Interior angles sum to applies to
Every triangle, no matter what kind