Find the measure of each angle indicated. 11)
12)
840
1100
13)
14)
1007
1119
15)
16)
1259
17)
118)
1130

bububububu inu u u. I I u.

180 square centimeters

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,