Use Nets for Triangular Pyramids Practice

Question

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Question
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An illustration shows a net diagram of a triangular pyramid. The diagram shows a large triangle that is formed by 4 identical smaller triangles. An inverted triangle is the central figure inside the large triangle. Its sides are indicated by 3 dashed lines. The three vertices of the dashed line triangle touch the center of the three edges of the larger outer triangle. The 3 dashed line edges form the bases of the other 3 triangles. Each triangle represents a face of the tetrahedron. All 4 triangles have an area measuring 3 square meters.

Calculate the surface area of the triangular pyramid.

(1 point)

Answer 1

To calculate the surface area of the triangular pyramid, we need to find the area of each face and add them together.

There are 4 triangular faces, each with an area of 3 square meters. Therefore, the total surface area is 4 x 3 = 12 square meters.

So, the surface area of the triangular pyramid is 12 square meters.