Question

In the figure, AB//CD. Find the length of AB.​

Answer 1

Since Ab||Cd

OB/AB=OC/CD

2/AB=5/7.5

AB=7.5×2/5

AB=3cm

Explanation:

Answer 2

Hello!

AB // CD => Thalès !

AO/OD = BO/OC = AB/CD

if BO = 24: (if not tell me in comments)

24/5 = AB/7.5

AB = 24 × 7.5 ÷ 5 = 36