Calculate the side AD of triangle ABC — task. Maths CBSE Live product, Class 10.

In \(\triangle ABC\), \(DE \parallel BC\) and \(\frac{AE}{EC} = \frac{5}{2}\). If \(DB = 2.6 \ cm\), then \(AD =\)

\(cm\).

Answer variants:

7.5

8.5

5.5

6.5

Did you find an error?

3. Calculate the side AD of triangle ABC