Find the percent change from 72 to 80.
(tips: Find the difference between 80 and 71. Set up a fraction, numerator is the difference and denominator is the original number of 71. Then multiply by 100 to get the percent. Show your work

vvgvgyvcicviuviug

Step-by-step explanation:

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,