Enlargements (Edexcel 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 an enlargement transformation do to a shape?
What does an enlargement transformation do to a shape?
Changes size, keeps shape similar
What two pieces of info fully describe an enlargement?
What two pieces of info fully describe an enlargement?
Scale factor & centre of enlargement
What is the formula for scale factor?
What is the formula for scale factor?
If the scale factor is 4, what happens to the image?
If the scale factor is 4, what happens to the image?
Image is larger than original
What happens when scale factor is between 0 and 1?
What happens when scale factor is between 0 and 1?
Image is smaller than original
Where do lines from corresponding points meet?
Where do lines from corresponding points meet?
At the centre of enlargement
What stays the same during an enlargement?
What stays the same during an enlargement?
Angles
What happens to side lengths in an enlargement?
What happens to side lengths in an enlargement?
Multiplied by the scale factor
A scale factor of creates what type of image?
A scale factor of creates what type of image?
Smaller than original
What is the first step when enlarging a shape?
What is the first step when enlarging a shape?
Draw lines from centre through vertices
A side is 5 cm, enlarged to 20 cm. What's the scale factor?
A side is 5 cm, enlarged to 20 cm. What's the scale factor?
4
With scale factor , a 6-unit distance becomes?
With scale factor , a 6-unit distance becomes?
3 units