1. Orange: A widely consumed citrus fruit known for its sweet and tangy flavor.
2. Lemon: Popular for its sour taste, used in beverages and cooking.
3. Grapefruit: A larger citrus fruit with a bittersweet taste, rich in nutrients.
4. Lime: A small, sour citrus fruit often used in drinks and culinary dishes.
Citrus fruits are rich in vitamin C and antioxidants, making them essential for a healthy diet.
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 \( BC = 3.6 \, \text{cm} \).