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Centre and Radius

If a circle i...

Question

If a circle is divided into 18 equal parts, then what will be the sum of 5 such parts?

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Solution

If a circle is divided into 18 equal parts, then we can calculate the measure of each part as:

$\frac{360 °}{18}$ = 20°
(1 marks)
Now, the sum of 5 such parts = 20⁰ × 5 = 100⁰ (1 marks)

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