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2. File:Checking-understanding-of-perimeter-and-area-worksheet ...

   en.wikipedia.org/wiki/File:Checking...

   This file is licensed under the United Kingdom Open Government Licence v3.0.: You are free to: copy, publish, distribute and transmit the Information; adapt the Information; ...

3. Circle - Wikipedia

   en.wikipedia.org/wiki/Circle

   The ratio of a circle's circumference to its diameter is π (pi), an irrational constant approximately equal to 3.141592654. The ratio of a circle's circumference to its radius is 2 π . [ a ] Thus the circumference C is related to the radius r and diameter d by: C = 2 π r = π d . {\displaystyle C=2\pi r=\pi d.}

4. Compactness measure - Wikipedia

   en.wikipedia.org/wiki/Compactness_measure

   Alternatively, the shape's area could be compared to that of its bounding circle, [1] [2] its convex hull, [1] [3] or its minimum bounding box. [ 3 ] Similarly, a comparison can be made between the perimeter of the shape and that of its convex hull, [ 3 ] its bounding circle, [ 1 ] or a circle having the same area.

5. Area of a circle - Wikipedia

   en.wikipedia.org/wiki/Area_of_a_circle

   The area of a regular polygon is half its perimeter multiplied by the distance from its center to its sides, and because the sequence tends to a circle, the corresponding formula–that the area is half the circumference times the radius–namely, A = ⁠ 1 / 2 ⁠ × 2πr × r, holds for a circle.

6. Measurement of a Circle - Wikipedia

   en.wikipedia.org/wiki/Measurement_of_a_Circle

   Proposition one states: The area of any circle is equal to a right-angled triangle in which one of the sides about the right angle is equal to the radius, and the other to the circumference of the circle. Any circle with a circumference c and a radius r is equal in area with a right triangle with the two legs being c and r.

7. Argentina court dismisses rape charges against French ... - AOL

   www.aol.com/news/argentina-court-dismisses-rape...

   An Argentina court has dismissed aggravated rape charges against French international rugby players Hugo Auradou and Oscar Jegou, the pair's lawyer said on Tuesday, drawing a line under a dark ...