The area of the top of a rectangular table is 323 sq feet. if the length of the table is 19 feet, what is the width of the table? show work

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,