If abc~ fed which of the following statements is correct

What is the value of the digit 1 in the number 13?

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.

Marking brainliest for original answer.. are these two triangles similar? how can you tell?