Reduction of a rectangle
Reduction of a rectangle
Secondary 2
5 marks
TGM Original Questions
A rectangular card measures \(12\) cm by \(8\) cm. It is reduced by scale factor \(\dfrac34\).
- Find the length and width of the reduced rectangle.[2]
- Find its perimeter.[2]
- Explain whether the original and reduced rectangles are congruent.[1]
Solution:
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Answer:(a) \(9.0\text{ cm}\) by \(6.0\text{ cm}\) (b) \(30.0\text{ cm}\) (c) Similar, not congruent.
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