Question

the circumference of a compact disc 28.26cm what is the radius?​

Answer 1

c.of circle=2πr

28.26 =2×22/7×r

r=28.26×7/44

r=4.5cm

hope it help you

Answer 2

Answer:

circumference of a circle = 2 pie r

28.26 = 2 ×3.14 ×r

28.26/ 2 = 3.14 ×r

14.13=3.14 × r

14.13 /3.14 = r

4.5 cm = r