Answer:
28.26cm
Explanation:
The formula for the circumference of a circle is C = 2πr, where r is the radius of the circle.
Plugging in r = 4.5 cm, we get:
C = 2π * 4.5 = 9π cm
To find the value of C to the nearest tenth, we can approximate π to 3.14:
C = 9 * 3.14 = 28.26 cm