Materials Used in Aeromodelling: 1. Balsa Wood 2. Plastic Sheets 3. Metal Wires 4. Lightweight Foam
Basic Tools Used in Aeromodelling: 1. Cutting Tools (e.g., X-Acto knives) 2. Adhesives (e.g., glue) 3. Rulers and Measuring Tools 4. Sandpaper for finishing edges
In the adjoining figure, \( AP = 1 \, \text{cm}, \ BP = 2 \, \text{cm}, \ AQ = 1.5 \, \text{cm}, \ AC = 4.5 \, \text{cm} \) Prove that \( \triangle APQ \sim \triangle ABC \).
Hence, find the length of \( PQ \), if \( BC = 3.6 \, \text{cm} \).