Name the solid figure that can be made from this pattern: An equilateral triangle has a triangle on each side.
Understand the Problem
The question asks you to identify the solid figure (3D shape) that can be formed from a pattern consisting of an equilateral triangle with another triangle attached to each of its sides. This pattern is essentially a net that, when folded, creates a specific 3D shape. You need to visualize how the triangles would fold up and connect to determine the correct solid figure.
Answer
The solid figure is a triangular pyramid, also known as a tetrahedron.
The solid figure is a triangular pyramid, also known as a tetrahedron, because it has an equilateral triangle as its base and three triangular faces.
Answer for screen readers
The solid figure is a triangular pyramid, also known as a tetrahedron, because it has an equilateral triangle as its base and three triangular faces.
More Information
A tetrahedron is a special type of triangular pyramid where all four faces are congruent equilateral triangles.
Tips
A common mistake is confusing a triangular pyramid with other types of pyramids or prisms. Remember that a triangular pyramid has a triangular base and triangular sides, while a prism has two parallel, congruent bases that are polygons and rectangular sides.
Sources
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