If 10 miles is about 16 kilometers and the distance between two towns is 45 miles ,use a ratio table to find the distance between the towns in kilometers

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,