Question

ln the adjoining figure if ad=5cm bd=7cm ac=18cm bdllbe than find ce

Answer 1

$\huge\red{A}\pink{N}\orange{S}\green{W}\blue{E}\gray{R}$

It is given that DE∣∣AB,AD=7 cm, CD=5 cm and BC=18 cm.

Using the basic proportionality theorem, we have

CA/CD = AB/DE = CB/CE

⇒CA/CD = CB/CE

⇒12/5 = 18/CE

⇒18×5=12/CE

⇒12/CE=90

⇒CE= 90/12 =7.5