Ann is grouping 38 rocks. she can put them into group of 10 rocks or as single rocks what are the difference ways ann can group the rocks?

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,