Congruent Shapes (Edexcel GCSE Maths): Flashcards
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What are congruent shapes?
What are congruent shapes?
Exactly the same size and shape
Transformations that maintain congruence
Transformations that maintain congruence
Reflection (flipping) and rotation (turning)
How many conditions prove triangle congruence?
How many conditions prove triangle congruence?
Four conditions
SSS condition
SSS condition
All three sides of both triangles match exactly
AAS condition
AAS condition
Two angles and one corresponding side match
SAS condition
SAS condition
Two sides and the angle between them match
RHS condition
RHS condition
Right angle, hypotenuse, and one other side match
When does RHS condition apply?
When does RHS condition apply?
Only for right-angled triangles
What is the hypotenuse?
What is the hypotenuse?
Longest side opposite the right angle
Sum of angles in a triangle
Sum of angles in a triangle
How many conditions needed to prove triangle congruence?
How many conditions needed to prove triangle congruence?
Only ONE of the four conditions
Where does a tangent meet a radius?
Where does a tangent meet a radius?
At right angles ()
Property of all radii in a circle
Property of all radii in a circle
All equal length