Problem situations in perimeter and area at this level will include calculations involving a circle or part of a circle. The window at the top of a door is in the shape of a semicircle. The door is ...
A sector is a fraction of a circle. The angle in the sector is a fraction of 360°. This sector has an angle of θ°. The fraction of the circle is \(\frac{θ}{360}\) The area of the sector will be ...
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