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Enlargement (i) for enlargement, scale factor = $ rac{1}{3}$, centre (0, 2) (ii) for any 2 aspects - Edexcel - GCSE Maths - Question 11 - 2022 - Paper 1

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Enlargement (i) for enlargement, scale factor = $ rac{1}{3}$, centre (0, 2) (ii) for any 2 aspects

Worked Solution & Example Answer:Enlargement (i) for enlargement, scale factor = $ rac{1}{3}$, centre (0, 2) (ii) for any 2 aspects - Edexcel - GCSE Maths - Question 11 - 2022 - Paper 1

Step 1

for enlargement, scale factor = $ rac{1}{3}$, centre (0, 2)

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Answer

To perform the enlargement, we first identify our scale factor, which is rac{1}{3}, meaning that we will reduce the size of the figure to one-third of its original dimensions. The centre of enlargement is at the point (0, 2).

To find the coordinates of the new points after enlargement, we can use the formula:

extNewPoint=extCentre+extScaleFactorimes(extOriginalPointextCentre) ext{New Point} = ext{Centre} + ext{Scale Factor} imes ( ext{Original Point} - ext{Centre})

This means for each original point (x, y), the new point (x', y') is calculated as:

egin{bmatrix} x' \ y' \\ ext{where } x' = 0 + rac{1}{3}(x - 0) \ y' = 2 + rac{1}{3}(y - 2) \\ ext{for all original points.} \\ ext{Therefore, the coordinates of the enlarged image will be computed accordingly.} \\ ext{This results in a smaller image with respect to the original dimensions.} \\ ext{Each point will be located closer to (0, 2).} \\ ext{Make sure to apply conversion systematically across each point.} \\ ext{Review the calculations to ensure accuracy.} \\ ext{Thus, we can visualize how the figure transforms under the specified enlargement.} \\ ext{It is crucial to maintain the ratio and centre positioning during this process.} \\ ext{This ensures the integrity of the geometric properties within the figure.} \\ }

Step 2

for any 2 aspects

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Answer

Considering any two aspects of the transformation, you might look at:

  1. Size: The enlargement will reduce the size of the figure to one-third of its original dimensions, contributing to a consistent and proportionate reduction across the entire figure.

  2. Position: The points will be positioned closer to the central point (0, 2), effectively shifting their locations according to the specified scale factor.

These aspects highlight how the transformation fundamentally alters both the size and position of the entire shape without changing its intrinsic geometric properties.

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