Perimeter and Area of Composite Figures
Perimeter and Area of Composite Figures
TGM Original Questions
In the figure below, three smaller circles are fitted in a larger circle, which share a common diameter.
Find
- the perimeter and the area of the shaded region,
- the ratio of the area of the shaded region to the area of the largest circle.
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Answer:(a) perimeter \(=6\pi\text{ cm}\), area \(=\dfrac{11}{4}\pi\text{ cm}^2\) (b) \(11:36\)
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