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16-04-2021
Mathematics

contestada

01:09:23
What is the radius of this circle if the circumference is 18 cm?
0
3 cm
9 cm
18 cm
36 cm

010923 What is the radius of this circle if the circumference is 18 cm 0 3 cm 9 cm 18 cm 36 cm class=

Respuesta :

owomitolabello56 owomitolabello56

16-04-2021

Answer:

The formula for circumference of a circle is

2pi,R.

In which R= radius. Then we Insert 18 in for the circumstances.

so, 18=2πr

then solving for r

18=2

÷. ÷

2. 2

R = 9,,

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