Find the value of $u$u using a proportion statement.
The two given triangles are similar.
Council has designed plans for a triangular courtyard in the town square.
The drawing shows the courtyard to have dimensions of $4$4 cm, $6$6 cm and $9$9 cm.
The shortest side of the actual courtyard is to be $80$80 meters long.
Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures.