I’m pretty sure it’s n=-5
Hope this helps have a great day
It wouldn't affect the mean or the median.
Answer:
Step-by-step explanation:
first do 72times2,32times2,92times2, then add them all
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:
