Nets of three-dimensional solids

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Question 2

Which of these drawings is a net of a pyramid?

1st net is a square with 4 isosceles joined in a strip 2nd net is a square with isosceles triangles on three edges and a fourth 3rd net is a square with 4 scalene triangles attached to the edges 4th net is a square with 2 isosceles triangles joined to opposite edges of the squares and then an isosceles triangle joined to the sides of the isosceles triangles
check answer for question 2

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Possible nets for a tetrahedron

A net for a cube

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