Question

1. circle the net below that will create a triangular pyramid.

a.
b.
c.
d.

Explanation:

Step1: Recall the definition of a triangular pyramid net

A triangular pyramid (tetrahedron) has \(4\) triangular faces.

Step2: Analyze each option

• Option a: It has rectangles and triangles. When folded, it will form a prism - like structure, not a triangular pyramid.
• Option b: It has rectangles and triangles. When folded, it will form a triangular prism, not a triangular pyramid.
• Option c: It has \(4\) triangles. When folded, the \(4\) triangular faces will form a triangular pyramid (tetrahedron).
• Option d: It has non - triangular (parallelogram) and triangular faces. When folded, it will not form a triangular pyramid.

Answer:

c.