Mathematics for IGCSE & O level - Similarity (Section 2 - No. 36)
The area of a square is 4 cm². If the square is enlarged by increasing the length of its sides by 100%, what will be the area of the enlarged square?
8 cm²
12 cm²
16 cm²
20 cm²
Explanation
Increasing by 100% doubles the side length (2 * 2 = 4). Area = side * side = 4 * 4 = 16 cm².
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