Similarity and congruency (OCR GCSE Maths): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does it mean if two shapes are congruent?
What does it mean if two shapes are congruent?
Same size & shape
Which condition proves triangles are congruent if all three sides of one equal all three sides of another?
Which condition proves triangles are congruent if all three sides of one equal all three sides of another?
SSS
In the SAS criterion, what does 'included angle' mean?
In the SAS criterion, what does 'included angle' mean?
Angle between two sides
Which criterion requires two angles & a corresponding side to be equal for triangles to be congruent?
Which criterion requires two angles & a corresponding side to be equal for triangles to be congruent?
AAS
What must two right-angled triangles have equal for RHS congruency?
What must two right-angled triangles have equal for RHS congruency?
Hypotenuse & one side
What does it mean if two shapes are similar?
What does it mean if two shapes are similar?
Same form, different size
What is a scale factor?
What is a scale factor?
Multiplier for lengths
If a cm length corresponds to a cm length, what is the scale factor?
If a cm length corresponds to a cm length, what is the scale factor?
For triangles to be similar, what must be true?
For triangles to be similar, what must be true?
Angles equal & sides proportional