Quarter Circle Calculator
Calculation of the quarter circle. A quarter of a circle inscribed in a square. The missing part of the square outside the quarter circle is also called a spandrel. Enter one known value. Then click the “Calculate” button.
.Quarter Circle Calculator
Radius (r)
Arc length (l)
Perimeter (P)
The area of the quarter circle (A1)
The area of the missing piece (A2)
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