Which of the following is not true

If ABC is an acute angles triangle ,acute angled at B and

Figure of same size and same shape are

In the given figure DE || BC and AD:DB = 2:3
The ratio of ^area(ΔADE) / _{area (ΔABC)} is

All ______ triangles are similar .

If ratio of areas of two similar triangles is 9:16 .Then ratio of their median is

The areas of two similar triangle are 81cm² and 49 cm² respectively.If the attitude of the first triangles is 6.3 cm then the corresponding attitude of the other is

The areas of two similar triangles are respectively 9 cm² and 16 cm² .The ratio of their corresponding side is