Question

AB=7.2cm,AC=6.4cm and AD=4.5cm.then AE=?

Answer 1

Answer:

3.9 may be this is the correct answer

Answer 2

4cm

• It is given that DE || BC.
• Applying basic proportionality theorem,

we get,

${\tt\frac{AD}{AB}=\frac{AE}{AC}}$

${\tt\frac{4.5}{7.2}=\frac{AE}{6.4}}$

$\tt{AE}=$ ${\tt\frac{4.5×6.4}{7.2} = \purple{\bf{4\:cm}}}$