Please help !! Don’t understand

i am not sure

Step-by-step explanation

i think 78

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,

i think that you should ask google for the answer to that problem because if we don't know it google does