Answer:
3
Step-by-step explanation:
The lights and pole form a right triangle. The question gives the hypotenuse as 5 and one side length as 4.
Use the Pythagorean theorem:
.
Plug in what you are given: 


b = 3
Or you could recognize that it was a pythagorean triple: 3, 4, 5
Answer:
10
Step-by-step explanation:
im not sure if its correct but area is the area around the trapezoid and i added them
40% were NOT from his mother, I think.