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find the radius of the circle 200 mm

Sagot :

The radius of a circle is determined by definding the diameter by 2. In this case the diameter is 200 mm (r = d/2).

r = 200 / 2

r = 100mm

1mm = 10cm

Therefore the radius of the circle is 100mm or 1000cm.

Hope this helps!

Answer:

100mm or 31.83mm

Step-by-step explanation:

If 200mm is the diameter then you should: 

200mm/ 2 

= 100mm

If 200mm is the circumference, then you should:

 200mm/ 2pi

= 200mm/6.28

= 31.83mm