Answer:
The answer is b. 72.3cm
Step-by-step explanation:
11.5cm is the radius
To find the circumference multiply the radius by 2 then multiply it again by 3.14
3.14 is the beginning of pi.
e.g - 2 × 3.14 x 11.5
B. 72•3cm
step by step explanation
circumference of a circle= 2πr
π= 3•142
r= 11•5
2×3•142×11.5
= 72•26
~ 72•3cm
