IDNLearn.com makes it easy to find precise answers to your specific questions. Ask your questions and receive reliable, detailed answers from our dedicated community of experts.
Answer:
c. 125.6
Step-by-step explanation:
Pi= 3.14
r= d/2 = 40/2 = 20
[tex]2\pi \: r[/tex]
= 2 × 3.14 × 20
=125.6