Problems involving Area and Perimeter of Circle

Problems involving Area and Perimeter of Circle

Secondary 1

The figure below consists of \(2\) equal quadrants fitted within a rectangle.

Find the area and perimeter of the shaded region. \(\left( \mathrm{Take}\,\,\pi =\frac{22}{7} \right)\)

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Answer:Area \(=21\text{ cm}^2\) Perimeter \(=36\text{ cm}\)

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