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Question

Find the area of the circle whose diameter is 10m. Express your answer in cm2.  [2 MARKS]


Solution

Formula: 1 Mark
Answer: 1 Mark

Given that
The diameter of a circle is 10m.
Area of the circle whose radius is R  is 
π×(R)2

Radius of the given circle = 102

= 5m

Area of the given circle = π×(5)2

= 78.5m2

= 785000cm2

Area of the required circle is 785000cm2

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