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The figure below shows a solid made by placing two equal regular tetrahedra.

The figure below shows a solid made by placing two equal regular tetrahedra.

a) Draw the net of the solid.
b) If each face is an equilateral triangle of side 5cm. Find the surface area of the solid to 4 s.f

Answers

Wilfykil answered the question on August 7, 2019 at 11:10

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