If figure 1.13 BC ⊥ AB, AD ⊥ AB, BC = 4, AD = 8, then find

Base of a triangle is 9 and height is 5. Base of another triangle is 10 and height is 6. Find the ratio of areas of these triangles.

In adjoining figure 1.14 seg PS ⊥ seg RQ , seg QT ⊥ seg PR. If RQ = 6, PS = 6 and PR = 12, then find QT.

In adjoining figure, AP ⊥ BC, AD || BC, then find A(ΔABC) : A (ΔBCD)

In adjoining figure PQ ⊥ BC, AD ⊥ BC then find following ratios.

(i)

(ii)

(iii)

(iv)