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

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

The area of the green shaded 1/2 sector is 25/2π. What is the area of the full circle?

75100150A_{\text{part}}=\frac{25}{2}\pi\\\text{fill}=\frac{1}{2}