Question

1
charlie measured the circle - shaped part of a sun his sister drew on the chalkboard.
the circumference of the circle is 69.08 cm. what is the diameter? (use 3.14 for π.)
a. 22 cm
b. 5.5 cm
c. 11 cm
d. 60.5 cm
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Explanation:

Step1: Recall circumference formula

Circumference $C = \pi d$

Step2: Rearrange for diameter

$d = \frac{C}{\pi}$

Step3: Substitute values

$d = \frac{69.08}{3.14} = 22$ cm

Answer:

A. 22 cm