It would be: 20*12 = 240
So, he has 240 hens in total...
The total area of the blades is the area of a triangle multiplied by 4.
We have then:

Where,
b: base of the blades
h: height of the blades
Substituting values we have:

Doing the calculation we have that the area of the blades is given by:

Answer:
The total area of the blades is:

Answer:
-3, -4, -5
Step-by-step explanation:
These are the numbers because they are smaler that-2
The correct answer is C i believe
You keep adding 2 and 1/3 to get your answer