Question

Please help! I need it now!

Answer 1

Number one is triangular

Answer 2

Answer:

1. triangular

2. triangles

3. rectangles

4. rectangular

5. rectangles

6. number of faces = 6

   number of edges = 12

   number of vertices = 8

7. number of faces = 5

   number of edges = 9

   number of vertices = 6

8. number of faces = 7

   number of edges = 15

   number of vertices = 10

9. triangular

10. triangles

11. square

12. square

13. triangles

14. number of faces = 6

    number of edges = 10

    number of vertices = 6

15. number of faces = 7

    number of edges = 12

    number of vertices = 7

16. cube

17. square pyramid

18. triangular pyramid

19. triangular prism

20. rectangular prism