Answer:
Circumference of the circle: [tex]12\pi[/tex]
Ratio of the circumference to the diameter: [tex]\pi[/tex]
Step-by-step explanation:
First, we are finding the circumference of the circle using the circumference formula:
[tex]C=\pi d[/tex]
were
[tex]C[/tex] is the circumference of the circle
[tex]d[/tex] is the diameter of the circle
We know from the problem that the diameter of our circle is 12cm, so [tex]d=12[/tex].
Replacing values:
[tex]C=\pi d[/tex]
[tex]C=\pi (12)[/tex]
[tex]C=12\pi[/tex]
Now, to find the ratio of the circumference to the diameter, we just need to divide the circumference of our circle by the diameter:
ratio = [tex]\frac{12\pi }{12} =\frac{\pi }{1} =\pi[/tex]
Answer:
Circumference = πd = 37.68
Ratio = 3.14 or pi
Step-by-step explanation:
Points to remember
Circumference of circle = πd or 2πr
Where d - diameter and r is the radius
It is given that, a circle with diameter 12
To find the circumference
Circumference = πd = 12π or
To find the ratio
circumference = 12 * 3.14 = 37.68 cm
Ratio = circumference/diameter
= 12π/12 = π or 3.14
