Enlargements (Leaving Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does enlargement preserve while changing the size of a shape?
What does enlargement preserve while changing the size of a shape?
Its proportions
What happens to a shape when the scale factor is greater than ?
What happens to a shape when the scale factor is greater than ?
The shape gets larger
What happens to a shape when the scale factor is between and ?
What happens to a shape when the scale factor is between and ?
The shape gets smaller
What happens when a negative scale factor is used?
What happens when a negative scale factor is used?
Shape enlarged & flipped
If the scale factor is , how large will the new shape be?
If the scale factor is , how large will the new shape be?
Three times as large
If the scale factor is , what size will the new shape be?
If the scale factor is , what size will the new shape be?
Half the size
What two things are needed to fully describe an enlargement?
What two things are needed to fully describe an enlargement?
Centre & scale factor
What is the centre of enlargement?
What is the centre of enlargement?
Fixed point from which shape enlarges
What is the first step when performing an enlargement?
What is the first step when performing an enlargement?
Draw lines from centre through vertices
With scale factor , how do distances from centre change?
With scale factor , how do distances from centre change?
They are doubled (twice)
What type of scale factor results in a smaller shape?
What type of scale factor results in a smaller shape?
Fractional (less than )
With scale factor , how far is each new point from the centre?
With scale factor , how far is each new point from the centre?
One-third the original distance