we know that having similar triangles so the ratio of sides,area and volume are same.

we know that
will be the area of triangle.

so 
so the ratio of the perimeter of two triangles will be

ratio of the perimeter=
Answer:b
Step-by-step explanation:
8 21/100
Hope this helped :)
Answer:
4 hours
Step-by-step explanation:
The graph shows the two bikers will be at the same place after 4 hours.
It’s super self explanatory it’s right there