# math

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a circle has a circumference of 110.6mm
find diameter to the nearest tenth
A.35.2mm
b.36.2mm
c.37.2mm
d.38.2mm

• math -

C = pi * d

• math -

so it c

• math -

You already know c which is the circumference.

To find the diameter, use this formula:

d = C / pi

• math -

what do you mean i don't get it

• math -

diameter = 110.6 / 3.14

d = ?

• math -

Right.

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