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24-04-2024
Mathematics

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4. Here is a circle divided into 20 equal sectors.
a) What percentage of the circle is grey?
b) The area of the circle is 120 cm³. Find the area of the grey part.

4 Here is a circle divided into 20 equal sectors a What percentage of the circle is grey b The area of the circle is 120 cm Find the area of the grey part class=

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