DAY 07

Comment

Imagine cutting out each shape, pressing the square 'base' onto your desk and folding the triangular faces around it. For some of the shapes, some of the triangular faces will overlap, rather than fold all the way around the base to make a pyramid.

Answer

A and C are nets of a pyramid.

Readers' methods

Martin Drew, of Newcastle NE4:
I traced the shapes, cut them out and folded.

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