Answer:
The total cost will be 172.8.
Step-by-step explanation:
To find the price we have to find the area of the triangles which is
4(1/2*b*h)
4(1/2*6*6)
Hence 72 is the area of triangle.
Now find the cost
Multiply all the values to find the cost:
30×0.08×72
$172.8.