Resizing 2D Shapes
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Resizing 2D Shapes
Part A: Plan the sign
The park's small sign has a 5 cm by 3 cm rectangular panel. Its border is a right-angled triangle with vertices A(0, 0), B(4, 0) and C(0, 3), measured in centimetres. Coordinates describe the shape fully.
- Every side length doubles.
- Every angle doubles.
- The shape keeps its original proportions.
- Its area doubles.
Part B: Compare the resized designs
For these questions, remember that resizing multiplies each length by the scale factor, while area changes by the scale factor squared.
2 printable pages
Page 1
Page 2
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