A regular tetrahedron is a special triangular pyramid with four congruent faces that are equilateral triangles. A net of a regul
ar tetrahedron is shown below. the numbers are 5cm and 4cm Which of the following is not true about the regular tetrahedron? The lateral surface area is 30 cm2. The tetrahedron has two bases. The total surface area is 40 cm2. The base is congruent to each face
