Which of the following is not true

If ratio of sides of two similar triangle is 5:4,then ratio of their perimeters is

All ______ triangles are similar .

Which of the following are not similar figures ?

If in two triangles ,corresponding angles are equal,then their corresponding sides are in the same ratio and hence two

triangles are similar. Which similarity criterian is this ?

If a line is drawn parallel to one side of a triangle  intersecting the other two sides ,then the other two sides are

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

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

Which of the following statement is false ?