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Is it true that the net of a regular tetrahedron with a side of 6 cm is drawn as below?

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True

False

answer is A.

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Detailed Solution

Given solid is a regular tetrahedron.
Given net,
Question Image

We know that net is defined as a 2D shape that can be folded to form a 3D shape.
First draw a regular tetrahedron with a side of 6 cm.
Question Image

When the above tetrahedron is open along one of its faces then four equilateral triangles are formed which is shown below:
Question Image

This is because a regular tetrahedron is made up of 4 equilateral triangles.
Above figure is a net of a regular tetrahedron.
Therefore, the given statement is true.
Hence, option (1) is correct.

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