2/13. Exercise 13.07 Jaa Sulje Kirjaudu sisään lähettääksesi tämän lomakkeen A tetrahedron is obtained from the figure by folding the points D, E and F. How many a) facets are there in the tetrahedron? Answer: The tetrahedron has facets. b) edges are there in the tetrahedron? Answer: The tetrahedron has facets. c) vertices are there in the tetrahedron? Answer: The tetrahedron has vertices. Kirjaudu sisään lähettääksesi tämän lomakkeen
