SOLUTION: An equilateral triangle with a side length of c inches has a perimeter of P inches. The perimeter of the equilateral triangle is described by the equation P=3c. Tell whether P is

Question 1019441: An equilateral triangle with a side length of c inches has a perimeter of P inches. The perimeter of the equilateral triangle is described by the equation P=3c. Tell whether P is directly proportional to c.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
If the relationship is P = 3c, we ask
"Does it take the form y = kx?"
The answer is yes, and so it is a direct relationship,
and P is directly proportional to c.
When one doubles, the other doubles, and so on...
RELATED QUESTIONS
what is the side length of an equilateral triangle with a perimeter of 36 2/3 inches? (answered by josgarithmetic)

An equilateral triangle has a perimeter of 18 inches. What is the perimeter of a square... (answered by josgarithmetic)

the altitude of an equilateral triangle is 18 inches. find the length of a side and the... (answered by nerdybill)

a square has a side length of 10 inches and an equilateral triangle has a side length of... (answered by macston)

What is the length of an altitude of an equilateral triangle with a perimeter of 30... (answered by Cromlix)

an equilateral triangle has a perimeter of 12. what is the length of each... (answered by Alan3354)

The perimeter of an equilateral triangle is 77 inches more than the perimeter of a... (answered by ikleyn)

The perimeter of an equilateral triangle is 7 inches more than the perimeter of a... (answered by ikleyn)

The perimeter of an equilateral triangle is 15 inches more than the perimeter of a (answered by rajagopalan)