Solid figures, also known as three-dimensional shapes or 3D shapes, are geometric objects that possess three dimensions: length, width, and height. These figures exist in the physical world and have volume, unlike two-dimensional shapes that only have area. Solid figures can be classified into various types based on their unique characteristics and properties.
Cube:
A cube is a six-faced solid figure with all faces being congruent squares.
All angles within a cube are right angles, and all edges are of equal length.
Cylinder:
A cylinder consists of two parallel circular bases connected by a curved surface.
The height of a cylinder is the perpendicular distance between the two bases.
Sphere:
A sphere is a perfectly round, three-dimensional object with all points on its surface equidistant from its center.
It has no vertices or edges, only a smooth, continuous surface.
Cone:
A cone has a circular base and a single curved surface that extends from the base to a point called the apex.
The height of a cone is the distance from the apex to the center of the base.
Rectangular Prism:
A rectangular prism, or rectangular parallelepiped, has six faces that are rectangles.
All angles within a rectangular prism are right angles, and opposite faces are parallel and congruent.
Pyramid:
A pyramid has a polygonal base and triangular sides that meet at a common vertex called the apex.
The height of a pyramid is the perpendicular distance from the base to the apex.
Solid figures play a crucial role in geometry, architecture, engineering, and various scientific disciplines. Understanding their properties and relationships is essential for solving problems related to volume, surface area, and spatial configurations. Additionally, these figures are encountered in everyday objects and structures, contributing to their significance in both theoretical and practical applications.
4. Two - dimensional
• Identify POLYGONS among various shapes.
• Recognize and understand the properties
of 2D shapes.
• a closed two-dimensional or flat surface
figure.
5. Flat Have length and width Have no thickness
LENGTH
WIDTH
All plane figures are
2D shapes BUT NOT
all shapes are
polygons.
8. • Identify POLYHEDRON sides are
polygons.
• Recognize and understand the
properties of 3D shapes.
• An object or shape that has
measurements for length, width, and
height
9. HEIGHT Have length and width Have thickness
LENGTH
WIDTH
All plane figures are
2D shapes BUT NOT
all shapes are
polygons.
