Maths shapes
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A simple closed curve is a connected curve that does not cross itself and ends at the beginning point. A rectangle is a quadrilateral with four right angles and opposite sides that are parallel. A pentagon is any five-sided polygon where a simple pentagon has an internal angle sum of 540 degrees.
Maths shapes
- 3. A connected curve that does not cross itself and ends at the same point where it begins is known as simple closed curve. In mathematics, a curve (also called a curved line in older texts) is, generally speaking, an object similar to a line but which is not required to be straight. E.g. : Circle, Ellipses, this table, etc.
- 4. The rectangle, like the square, is one of the most commonly known quadrilaterals. It is defined as having all four interior angles 90° (right angles). Opposite sides are parallel. The diagonals bisect each other.
- 5. It has 4 lines equal in length. The Angles opposite each other are equal in size. The diagonals intersect at 90 degrees It is a Simple Quadrilateral (The sum of its angles is 360 degrees)
- 6. In geometry, a pentagon is any five-sided polygon. A pentagon may be simple or self- intersecting. The sum of the internal angles in a simple pentagon is 540°. A pentagram is an example of a self-intersecting pentagon.
- 7. In mathematics(more specifically geometry), a semicircle is a two- dimensional geometric shape that forms half of a circle. Being half of a circle's 360°, the arc of a semicircle always measures 180° or a half turn