# If figure 1.13 BC ⊥ AB, AD ⊥ AB, BC = 4, AD = 8, then find A(△ ABC)/A(△ADB)

If figure 1.13 BC ⊥ AB, AD ⊥ AB, BC = 4, AD = 8, then find $$A(△ ABC)\over A(△ADB)$$