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Area of a Part Circle - Full Area and Fraction to Part Area (Pi Value) (Level 2)

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 these online problems with 80% or 4 correct answers in a row. Results are immediate.

The area of the full circle is 36π. What is the area of the green shaded 2/5 sector ?

75100150A_{\text{full}}=36\pi\\\text{fill}=\frac{2}{5}