Mathematics for IGCSE & O level - Similarity (Section 1 - No. 41)
A model of a building is made to a scale of 1:50. The dimensions of a room in the model are 7.4 cm by 9.8 cm. Find the floor area of the room in the model.
72.52 cm²
72.52 m²
7400 cm²
9800 cm²
Explanation
Floor area = 7.4 * 9.8 = 72.52 cm²
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