The barometric height at sea level is 76 cm of mercury while that a point on a highland is 74 cm of mercury. Determine the altitude of the mercury.(Take g as 10 N/kg, the density of mercury 13600 kg/3m and density of air is 1.25 kg/m3)

The choices are down below:

117.5m

217.5m

317.5m

417.5m

Tysm:)Pls answer ASAP..BTW im Alisha
Add me if u like

The barometric height at sea level is 76 cm of mercury while that a point on a highland is 74 cm of mercury. Determine the altitude of the mercury.(Take g as 10 N/kg, the density of mercury 13600 kg/3m and density of air is 1.25 kg/m3)

THe answer is 217.5m

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,