Question

In the given figure DE|| BC, find the value of x.
A
X
D
3x+4
E.
3x+19
B4
АС​

Answer 1

Answer:

DE || BC AD = x cm, DB = (3x + 4) cm AE = (x + 3) cm and EC = (3x + 19) cm In ∆ABC AD/DB = AE/EC x/(3x+4) = (x+3)/(3x+19) 3x2 + 19x – 3x2– 9x – 4x = 12 x = 2Read more on Sarthaks.com - https://www.sarthaks.com/709909/in-the-given-figure-de-bc-such-that-ad-x-cm-db-3x-4-cm-ae-x-3-cm-and-ec-3x-19-cm-find-the-value-of-x