What is this symbol?"
H
high pressure
low pressure
heavy rain
hot

sir that is high pressure

if you did her your teacher then here I will help

the H mean h for high and the L is the l for low ok

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,