The area of triangle ABC is divided into four equal parts by segments parallel to the base BC. DC is 36 cm. A is the top point of the triangle.

What is the ratio of the dimensions of triangle ADE to the dimensions of triangle ABC?

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  1. Notice you have similar triangles.

    In more than one of your previous posts, I have shown you that the
    areas of similar shapes are proportional to the SQUARES of their corresponding sides.

    Apply that principle here.

  2. I see. I understand now. Thanks for your support.

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