In trapezoidal ABCD, ad is parallel to BC, triangle ADC is 2:3 than triangle ABC, and the connecting line of diagonal midpoint m and N is 10 cm Finish it today as soon as possible

In trapezoidal ABCD, ad is parallel to BC, triangle ADC is 2:3 than triangle ABC, and the connecting line of diagonal midpoint m and N is 10 cm Finish it today as soon as possible

Is it the area ratio of two triangles?
In the triangle ADC and the triangle ABC, the height is equal, and their area ratio is 2:3
Then we can draw the following conclusions
The ratio of ad to BC is also 2 to 3