Question

How to find two triangles ratio

Answer 1

By dividing the area of one triangle by other or vice versa
Hope this will help you...

Answer 2

If the ratio of corresponding sides of two similar triangle are getting given then You can easily find the ratio of two similar triangle.

let's take an example.

suppose ratio of sides of two similar triangle are given 2:3.

Then,

The RATIO of the area of two similar triangle =

ar(triangle ABC)/ Ar(triangle DEF) = (2:3)²

Therefore,

Ratio of the areas of two similar triangle = 4:9