pi is the ratio of circumference to the diameter of same circle. The length of the metal frame of trampoline considered is: Option D: 37. 7 feet.
Length of the outer line of a circle is called its circumference.
If the circle has got radius of r units length, then
Circumference of that circle = 2π r units = πd units where d is diameter of that circle.
This is why, we get the ratio of circumference to diameter as:
[tex]\dfrac{Circumference}{Diameter} = \pi[/tex]
It is given that the trampoline in consideration has got diameter of 12 feet.
It is said that π = 3.14 to be considered (its not its exact value though).
Therefore, we get
[tex]\rm Circumference/12 = 3.14\\\\\text{Multiplying 12 on both sides}\\\\Circumference = 12 \times 3.14 = 37.68 \: \rm feet \approx 37.7 \: feet[/tex]
Hence, the length of the metal frame of trampoline considered is obtained as: Option D: 37. 7 feet.
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