3 years ago

If a circle has a circumference of 81.64 cm, what is the radius?

Mathematics

2 answers:

ipn [44]3 years ago

8 0

Answer:13cm

Step-by-step explanation:

Over [174]3 years ago

8 0

Answer:

c = Circumference=pid= 81.64 To find the radius of a circle you can just divide the diameter by 2.

pi = 3.14

d = diameter=c/3.14 Pi is always 3.14 or 22/7.

d = 81.64/3.14

d = 26

r= radius= 26/2

radius=13 cm

Step-by-step explanation:

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