codeclub12
codeclub12 codeclub12
  • 21-12-2017
  • Mathematics
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How do you work out the length of radius and diameter of these two circles?

How do you work out the length of radius and diameter of these two circles class=

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PaulJames
PaulJames PaulJames
  • 21-12-2017
So for the first one what you did was wrong as in wrong formula.
Radius is 5cm as it is given and diameter is double the radius which is 10.
So r=5
And D=10.

For the second one the diameter is 16cm as it is given and radius is half the diameter,so half of 16 is 8cm right?
So r=8
And D=16
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