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Area of a Part Circle - Full Area and Fraction to Part Area (Pi Value) (Level 1)

The topics in this unit focus on understanding partial circle area and circumference. Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

Part Circle - Full Area and Fraction to Part Area (Pi Value)

Complete this topic with 80% correct, working as fast as you can! Results are immediate.

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The area of the full circle is 16π. What is the area of the green shaded 1/2 sector ?

75100150A_{\text{full}}=16\pi\\\text{fill}=\frac{1}{2}