HELP PLEASE 100 POINTS PLUS BRAINLIEST, (I had the answers already but some reason they got deleted

Step-by-step explanation:

The area of a sector can be given as:

, where is the angle of the sector in degrees.

Problem 11:

Problem 12:

Problem 13:

Convert radians to degrees:

Problem 14:

Convert radians to degrees:

Problem 15:

Problem 16:

Convert radians to degrees:

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,