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The circle is the shape with the largest area for a given length of perimeter (see Isoperimetric inequality). The circle is a highly symmetric shape: every line through the centre forms a line of reflection symmetry, and it has rotational symmetry around the centre for every angle.
- Circular arc - Wikipedia
A circular arc is the arc of a circle between a pair of...
- Circle - Simple English Wikipedia, the free encyclopedia
A circle is a round, two-dimensional shape. All points on...
- Circular arc - Wikipedia
A circular arc is the arc of a circle between a pair of distinct points. If the two points are not directly opposite each other, one of these arcs, the minor arc, subtends an angle at the center of the circle that is less than π radians (180 degrees); and the other arc, the major arc, subtends an angle greater than π radians.
In geometry, the incircle or inscribed circle of a triangle is the largest circle that can be contained in the triangle; it touches (is tangent to) the three sides. The center of the incircle is a triangle center called the triangle's incenter. [1]
Tangents to the circle from a point have the same length: \( TA = TC \). Opposite angles in a cyclic quadrilateral: \( \angle ABC + \angle CDA = 180^ \circ \). \[ \] Here are additional basic properties that are useful to know: Equal arcs subtend equal angles and vice versa. Equal angles stand on equal chords and vice versa.
A circle is a round, two-dimensional shape. All points on the edge of the circle are at the same distance from the center. The radius of a circle is a line from the center of the circle to a point on the side.
2 dni temu · A circle is a round plane figure with a boundary (called the circumference) that is equidistant from its center. It is a fundamental object studied in geometry. In order to describe the shape of an object, we give the object appropriate dimensions. For example, a rectangle can be described with its height and width.
15 lis 2024 · circle, geometrical curve, one of the conic sections, consisting of the set of all points the same distance (the radius) from a given point (the centre). A line connecting any two points on a circle is called a chord, and a chord passing through the centre is called a diameter.
