Questions and Answers
What is the primary characteristic of a solid figure?
What is the purpose of measuring the volume of a solid figure?
What is a common way to describe a solid figure?
What is a prism?
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What is an example of a composite figure?
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What is a common characteristic of all cubes?
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What is unique about a sphere?
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What is a characteristic of a cylinder?
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What is an example of a real-life pyramid?
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What is a common use of cylindrical shapes?
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Study Notes
Solid Figures
- A solid figure is a three-dimensional object or shape with length, width, and height, occupying space and having a volume measurement.
- Any object that you see in real life is a solid figure, including figures drawn on paper or modeled using computer software.
Types of Solid Figures
- Prisms: three-dimensional solid figures with at least two identical sides that face each other, examples include rectangular prisms and triangular prisms.
- Cubes: a box made of six squares of the same size that all meet at ninety-degree angles, also a type of rectangular prism.
- Cones: a solid figure consisting of a round base and a curved side that points towards the top and converges in a single point called the apex.
- Pyramids: a solid figure with a base and three or more triangular faces extending upwards and meeting at a single point called an apex, examples include triangular pyramids and rectangular pyramids.
- Spheres: a ball that is perfectly round, with only one surface, no faces, no edges, and no vertices.
- Cylinders: a tube shape with circle or oval bases on each end, with two faces and three surfaces.
Characteristics of Solid Figures
- Faces: flat surfaces of a solid figure, also called sides.
- Edges: where two faces meet.
- Vertices: where the angles of two or more faces meet, also called corners.
Real-Life Examples of Solid Shapes
- Rectangular prisms: smartphones, laptops, dining tables, and boxes.
- Cubes: dice.
- Cones: traffic cones, pointy birthday hats, and ice cream cones.
- Pyramids: Pyramids of Giza, tents, and roofs of houses.
- Spheres: basketballs, volleyballs, baseballs, and the Earth (approximately).
- Cylinders: toilet paper rolls, paper towel rolls, grain silos, water tanks, food tins, and round drink coasters.
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Description
A solid figure is a three-dimensional object or shape with measurements for length, width, and height, occupying space and having a volume measurement.