Shapes Names with Pictures
This is our new worksheet released for kids. These are starter shapes. This worksheet can be printed and stick on the wall to keep them seen by kids.
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We have prepared a list of words with pictures based on Shapes Names. You can below.
Words on the chart: Circle, Semi circle, Oval, Square, Rectangle, Diamond, Right triangle, Triangle, Rhombus,cross,Pentagon,Hexagon, Heptagon,Octagon, Star, Decagon, Dodecagon, Parallelogram, Trapezoid, Heart, Cylinder, Cube, Cuboid, Isosceles triangle, Crescent, Arrow, Plus, Minus, Multiplication, Division.
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Related Download : Download Printable Shapes Flash Cards
This shapes poster shows various shapes and their names in English. It is a useful tool for teaching children about different shapes and their properties. It can also help students who are learning about geometry and measurement.
The poster has a white background and the shapes are in different colors. The shapes are arranged in a grid-like manner, with multiple rows columns. The poster covers both two-dimensional and three-dimensional shapes, as well as some symbols and signs. The shapes included are:
- Circle: A round shape with no corners or sides. The distance from the center to any point on the circle is the same.
- Semi-circle: Half of a circle.
- Oval: A shape that looks like a stretched circle. It has no corners or sides.
- Square: A shape with four equal sides and four right angles.
- Diamond: A shape with four equal sides and opposite angles that are equal. It is also called a rhombus.
- Rectangle: A shape with four sides and four right angles. The opposite sides are equal.
- Right triangle: A shape with three sides and one right angle. The side opposite to the right angle is called the hypotenuse.
- Isosceles triangle: A shape with three sides and two equal angles. The two sides opposite to the equal angles are also equal.
- Rhombus: A shape with four equal sides and opposite angles that are equal. It is also called a diamond.
- Star: A shape with five or more points that radiate from a center.
- Pentagon: A shape with five sides and five angles.
- Hexagon: A shape with six sides and six angles.
- Heptagon: A shape with seven sides and seven angles.
- Octagon: A shape with eight sides and eight angles.
- Heart: A shape that resembles the symbol of love. It is made of two semi-circles and a triangle.
- Decagon: A shape with ten sides and ten angles.
- Dodecagon: A shape with twelve sides and twelve angles.
- Parallelogram: A shape with four sides and opposite sides that are parallel and equal.
- Trapezoid: A shape with four sides and one pair of parallel sides.
- Crescent: A shape that looks like a curved moon. It is made of two circles with different radii.
- Cylinder: A three-dimensional shape with two circular bases and a curved surface.
- Cube: A three-dimensional shape with six square faces.
- Cuboid: A three-dimensional shape with six rectangular faces.
- Arrow: A symbol that indicates direction or movement. It is made of a line and a triangle.
- Plus: A symbol that represents addition or positive sign. It is made of two perpendicular lines.
- Minus: A symbol that represents subtraction or negative sign. It is made of a horizontal line.
- Multiplication: A symbol that represents multiplication or cross product. It is made of two diagonal lines.
- Division: A symbol that represents division or fraction. It is made of a horizontal line and two dots.
Using such posters can help children and students to learn and remember the names and properties of different shapes. It can also enhance their visual and spatial skills, as well as their creativity and imagination. Such posters can be used in classrooms, homes, or online platforms.
2. Another Shapes Names Poster with 38 Shapes.
The shapes included in the poster/chart are Square, Rectangle, Circle, Oval, Equilateral Triangle, Triangle, Right Angled Triangle,
Pentagon, Hexagon, Heptagon, Octagon, Nonagon, Decagon, Dodecagon, Icosagon, Parallelogram, Prism, Diamond, Heart, Kite, Hendecagon, Semi-Circle, Annulus, Scalene Triangle, Pyramid, Cross, Arrow, Cube, Cylinder, Rhombus, Trapezium, Trefoil Knot, Lemniscate, Rhomboid, Octahedron, Tetrahedron and Dodecahedron.
3. 3D Shapes Names
We have added the following 3D shapes to this chart: cube, cuboid, cone, pyramid, cylinder, prism, sphere, and hemisphere. This chart will help you visualize these shapes and learn the volume formula for each one.
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4. 40 Shapes Names with Pictures in Printer Friendly PDF
This chart/poster contain 40 different shapes with shapes names in it. They are very printer friendly. It means all the shapes are with outlines only. No filling colors are used. So, it will be printer friendly and cool to eyes.
Please download
The Half-Circle Shape: A Detailed Explanation
A half-circle is exactly what the name suggests - it is a shape that represents half of a complete circle. It is also called a semicircle. This concept is fundamental in geometry, and it's useful in many real-world applications, from architecture to design.
Understanding a Circle
To begin with, let's remember the definition of a circle. A circle is a perfectly round shape where every point on the edge is equidistant from a central point. The distance from the center to any point on the circle is called the radius, and the distance around the circle is its circumference.
When you divide this circle in half along a diameter, you get a semicircle. It's simply half of the circle, bounded by a diameter and half of the circumference.
Key Characteristics of a Semicircle
- Straight Line: A semicircle always has one straight edge. This straight edge is a diameter of the original circle. The diameter is a straight line that passes through the center of the circle and touches the circle at two points on opposite sides. This is the line that divides the circle into two equal parts.
- Curved Edge: The other edge of the semicircle is half of the curved edge (circumference) of the original circle. This is what gives the semicircle its unique shape.
- Central Angle: The central angle of a semicircle is always 180 degrees (or ?? radians). This is the angle formed at the center of the circle by the two radii that extend to the endpoints of the diameter.
- Area: The area of a semicircle is half of the area of a full circle. The formula to calculate the area of a full circle is ??r?? (where r is the radius). So, for a semicircle, the area is:
- Area of semicircle = (1/2) ?? ??r??
- Perimeter: The perimeter of a semicircle consists of the straight line (diameter) plus half of the circumference. The formula for the perimeter is:
- Perimeter = Diameter + (?? ?? Diameter)/2
- Perimeter = d + ??d/2
- Perimeter = d(1 + ??/2)
- Or, in terms of radius: Perimeter = 2r + ??r = r(2 + ??)
Geometric Properties of a Semicircle
- Inscribed Angles: Any angle inscribed in a semicircle with its vertex on the semicircle and its sides passing through the endpoints of the diameter is a right angle (90 degrees). This is known as Thales' theorem.
- Centroid: The centroid (center of mass) of a semicircular region is located at a distance of 4r/(3??) from the center of the original circle along the axis of symmetry.
Applications of a Semicircle in the Real World
- Architecture: Semicircles are commonly used in architectural designs, especially in arches, windows, and doorways. They provide structural strength and an aesthetically pleasing look. The Roman arch, a semicircular arch, has been a fundamental element in architecture for thousands of years.
- Design and Art: In design, the half-circle shape is often used to create balance or focus within a composition. It's a popular choice in modern and abstract art, as well as in logo design.
- Engineering and Construction: Semicircular shapes are important in engineering, especially in bridge design, where arches efficiently distribute weight and stress.
- Mathematics and Physics: Semicircles are used in various mathematical proofs and physics problems, particularly in the study of circular motion, waves, and optics.
- Everyday Objects: Many everyday items incorporate semicircular designs, from protractors used to measure angles to the shape of certain furniture pieces.
The half-circle or semicircle is not just a simple shape; it has various mathematical properties and real-world applications. Understanding its geometry helps in a wide range of fields, from mathematics to construction and design.
So, next time you come across a shape that looks like half of a circle, you'll know that it's a semicircle, and you can apply the appropriate formulas and properties to work with it effectively.
