The sum of two numbers is 20 and their difference is 4. Which is the greater of the two numbers? The answer is 12.
Answer:
A constant
Step-by-step explanation:
Well, ideally I'd like more details, but a number that doesn't change in a mathematical equation is called a constant.
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:
Student 3
Step-by-step explanation:
Part of the 3-4-5 Pythagorean triples.