Floor-plan lengths and areas

Floor-plan lengths and areas

Secondary 2
TGM Original Questions

A floor plan uses scale \(1:200\). The main bedroom measures \(2.4\) cm by \(1.8\) cm, and the kitchen \(1.5\) cm by \(1.2\) cm.

  1. Find the actual main-bedroom dimensions in metres.
  2. Find the actual kitchen area.
  3. A bedroom has actual area \(8\text{ m}^2\); find its plan area.

Solution:

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Answer:(a) \(4.8\) m by \(3.6\) m; (b) \(7.2\text{ m}^2\); (c) \(2\text{ cm}^2\).

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