Find the circumference of the circle use pi 3.14 3m
Asked by maham237 @ in Mathematics viewed by 273 People
Use pi = 3.14. A. 3 m B. 18.84 m C. 6 m D. 28.26 m
Answered by maham237 @
The first thing you should do for this case is to know the definition of the perimeter of the circle.
The perimeter of the circle is:
C = 2 * pi * r
Where,
r: radius of the circle.
Substituting we have:
C = 2 * (3.14) * (r).
Another alternative way is:
C = 2 * pi * (d / 2)
rewriting:
C = pi * d
Substituting we have:
C = (3.14) * d
Where d is the diameter of the circle.
Note: to complete the answer substitute the radius or the diameter of the circle in the given equations.
Answer:
C = (3.14) * d
C = 2 * (3.14) * (r).
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