Ascale on a map shows that 2.5 centimeters represents 15 kilometers

105km

Step-by-step explanation:

2.5/15=17.5/x (set up as a proportion)

2.5x=262.5 (cross multiply)

x=105 (Divide)

step-by-step explanation:

given that there are two triangles j'k'l' and jkl>

the former is got by dilating the second one.

when drawn on a grid, (graph paper) coordinates of vertices of first triangle is

(6,12)j, (9,6)k and (12,9)l

side jk has length = distance between j and k

=

side j'k'=distance between j' and k'

=

ie j'k'l' has sides 1/3 of that of corresponding sides of jkl.

hence scale factor of 1/3 is used to get j'k'l'from jkl