Surface area of the pyramid: 4*0.5*144*sin(60) = 249 square cm to 3 significant figures
A regular tetrahedron, with edges of length 1 units, has a total surface area of sqrt(3) square units.
A tetrahedron triangular based pyramid has 6 edges, 4 faces and 4 vertices
A tetrahedron is a triangular based pyramid that has 6 edges, 4 faces and 4 vertices
A tetrahedron (triangular pyramid).
A triangular based pyramid which is a tetrahedron has 4 faces, 6 edges and 4 vertices
A regular tetrahedron, with edges of length 1 units, has a total surface area of sqrt(3) square units.
A tetrahedron triangular based pyramid has 6 edges, 4 faces and 4 vertices
A triangular pyramid, or tetrahedron, has 4 vertices and 6 edges.
A tetrahedron is a triangular based pyramid that has 6 edges, 4 faces and 4 vertices
A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.
A triangular based pyramid which is a tetrahedron has 4 faces, 6 edges and 4 vertices
A tetrahedron (triangular pyramid).
A tetrahedron is a solid figure with 6 edges. There's no such thing as solid edges. A tetrahedron is a triangular pyramid, with 4 vertices, 6 edges and 4 triangular faces. In a regular tetrahedron (the first Platonic solid) all triangles are equilateral.
A triangular based pyramid which is a tetrahedron has 4 faces, 6 edges and 4 vertices
A tetrahedron triangular based pyramid has 6 edges, 4 faces and 4 vertices
A tetrahedron is a triangular pyramid. It has six edges, four faces and four vertices.
A tetrahedron is a triangular based pyramid that has no parallel edges whereas most prisms have parallel edges such as a cuboid or a cylinder.