Apeace of carpet in the shape of an isosceles trapezoid with a height of 30 inches and bases of 40 and 60 what is the area of the carpetallot of points

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,