How do you do enlargement in math?
Enlargement is an example of a transformation. A transformation is a way of changing the size or position of a shape. To enlarge a shape, a centre of enlargement is required. When a shape is enlarged from a centre of enlargement, the distances from the centre to each point are multiplied by the scale factor.
How do you enlarge a scale factor?
To enlarge a shape, multiply all lengths of the shape by the scale factor. The scale factor tells us how many times larger the shape will be. For example, enlarging a shape by scale factor 2 means that all of the sides will become 2 times longer. This rectangle is 1 square wide and 2 squares long.
What is the object in enlargement?
An enlargement is a transformation where an object maps to an image of the same shape but different size. The object and the image are said to be similar. An enlargement requires a centre of enlargement and a scale factor.
What do you need for linear enlargement in GCSE?
Edexcel GCSE Mathematics (Linear) –1MA0 ENLARGEMENT: NEGATIVE SCALE FACTOR Materials required for examination Items included with question papers Ruler graduated in centimetres and Nil millimetres, protractor, compasses, pen, HB pencil, eraser. Tracing paper may be used. Instructions Use black ink or ball-point pen.
How to enlarge a shape by a scale factor of-2?
Enlarge shape A by a scale factor of -2 using (0,0) as the centre of enlargement. 1. First draw lines from the corners of the shape through (0,0) and extending them beyond. Since the scale factor is -2, we know the shape will be on the opposite side of the centre of enlargement.
How to do a 180 degree enlarge of a shape?
If the scale factor is negative, the new shape will be on the opposite side of the centre of enlargement i.e. a rotation of 180\\degree Enlarge shape A by a scale factor of -2 using (0,0) as the centre of enlargement. 1. First draw lines from the corners of the shape through (0,0) and extending them beyond.
What are the different types of transformations in GCSE?
There are 4 types of transformation: translation, rotation, reflection, and enlargement. All the info you need on enlargement can be found here (https://mathsmadeeasy.co.uk/gcse-maths-revision/similar-shapes-gcse-revision-and-worksheets/), so in this topic we’ll focus on the first three.