Lucas is planting grass on the shaded portions of the yard. What will be the total area of covered by grass? Fill in the missing. Part A= 12 x ? = ? ft²

Bart B= 0.5 x ? x 9 = ?ft²

Part C= 0.5 x 7 x ? = ?ft²

Total Area= ?ft²

Answer is in the file below

cutt.ly/tz3yDpb

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,