Shapes Chart |
Spectrum Chart - 513 : Shapes
1. Circle - A circle is a round, regular,
two-dimensional shape, shaped like the letter O. The distance between
any of the points and the centre is called the radius. The diameter
of a circle is a straight line that goes from one side to the
opposite and right through the centre of the circle.
e.g. - Roti, Clock, Coin etc.
2. Square - A square is a shape with four
equal sides and four corners that are all right angles (90°).
The diagonals of a square also cross at right angles. The angle
between any diagonal and a side of a square is 45 degrees. A square
has rotational symmetry of four. A square is a type of rectangle with
all sides of equal length.
e.g. - Bread, Puzzle, Chess Board, Ludo
etc.
3. Rectangle - A rectangle is a shape with
four sides and four corners. The corners are all right angles. It
follows that the lengths of the pairs of sides opposite each other
must be equal. Tables, boxes, books, and papers look like rectangles.
e.g. - Television, Match Box, Pillow,
Chocolate etc.
4. Oval - An oval is a shape. It is round
but a bit longer in one direction. An oval can look like an egg or an
ellipse. To be called an oval, a plane curve should resemble the
outline of an egg or an ellipse.
e.g. - Computer Mouse, Rugby Ball,
Mirror, Egg etc.
5. Semi Circle - A semicircle is a
two-dimensional geometric shape that forms half of a circle. The arc
of a semicircle always measures 180°.
e.g. - Hand Fan, Rainbow, Protector
etc.
4. Rhombus - A rhombus is a simple
quadrilateral whose four sides all have the same length. A rhombus is
sometimes called a diamond. Every rhombus is a parallelogram and a
kite. A rhombus with right angles is a square.
e.g. - Traffic Sign Board, Kite, Kaju
Katli, Earrings
5. Triangle - A triangle is a shape or
area or a specific part of two dimension space. It has three straight
sides and three vertices. The three angles of a triangle always add
up to 180°. It is the polygon with the least possible number of
sides.
e.g. - Cake, Puzzle, Samosa, Set Square
etc.
6. Cube - A cube is a three-dimensional
solid object bounded by six square faces, facets or sides with three
meeting at each vertex. A cube is a block with all right angles and
whose height, width and depth are all the same.
e.g. - Dice, Playing Blocks, Gift Box,
Rubic Cube etc.
7. Ring - A ring is a surface of
revolution generated by revolving a circle in three-dimensional space
about an axis coplanar with the circle. If the axis of revolution
does not touch the circle.
e.g. - Tyre, Donut, Finger Ring, Swim
Tube etc.
8. Cylinder - A cylinder is one of the
most basic curved geometric shapes, with the surface formed by the
points at a fixed distance from a given line segment, known as the
axis of the cylinder. The shape can be thought of as a circular
prism. Both the surface and the solid shape created inside can be
called a cylinder.
e.g. - Barrel, Tin Can, Gas Cylinder,
Mug etc.
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