To find the circumference of a circle, you can use the formula C = 2 * pi * r, where C is the circumference and r is the radius. In this case, the radius is 2.5 cm.
C = 2 * pi * 2.5
C ≈ 2 * 3.14 * 2.5
C ≈ 6.28 * 2.5
C ≈ 15.7 cm
The nearest whole number is 16 cm, so the answer is 16 cm.
Find the circumference of the circle round your answer to the nearest centimeter 2.5
8 cm
16 cm
79 cm
157 cm
1 answer