Answer:
Total area to cover the bridge = 17.52 m²≅
Step-by-step explanation:
The triangular panels are equilateral triangles
Area of equilateral triangles = A= (√3/4)a² where a= 1.7 meters
Since there are 14 panes Area = 14 x (√3/4)a² = 14 x (√3/4)1.7² = 17.52 m²≅