3 years ago

Can somebody explain how to get the answer/ what formula, and the answer??

Mathematics

2 answers:

ella [17]3 years ago

6 0

Answer:

9 cm

Step-by-step explanation:

divide the total circle centimeter which is 18 in half. Half of 18 is 9 so the diameter is 9.

marusya05 [52]3 years ago

6 0

Answer:

R = 9 cm

Step-by-step explanation:

C = 2ПR

Also C = 18П сm

2ПR = 18П

R = 18П/2П = 9 сm

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