Answer:2
Step-by-step explanation:
To find the radius from diameter divide the diameter in half
Answer:
r=2
Divide diameter by 2 since the diameter is half of radius
4/2=r
31.36cm;22.4cm
hope this helps
the answer is 71.2
4×4=16
6.9×2=13.8
13.8×4=55.2
55.2+16=71.2
Answer:4
Step-by-step explanation:i want brainist plz