TBQ - Calculate the side AD of triangle ABC — task. Maths TNSB Mentoring, Class 10 Crash course.

Answer variants:

8.2

6.2

7.2

5.2

In \(\triangle ABC\), \(DE \parallel BC\) and \(\frac{AE}{EC} = \frac{6}{3}\). If \(DB = 3.1 \ cm\), then \(AD =\)

\(cm\).

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2. TBQ - Calculate the side AD of triangle ABC