human
Solve length problems involving similar shapes where the missing length is the longer one These two shapes are similar (not drawn to scale).
What should replace the star? ![Two scalene triangles. The smaller one has sides 5cm and 4cm. On the bigger triangle, the side corresponding to the 5cm is 15cm, and the side corresponding to the 4cm is marked with a star.]() \( 8 \mathrm{~cm} \)
gpt
Doubles side length for similar shape instead of using correct scale factor