true or false
11. the base of a cone is square
12. a cylinder has a circular base
13. the base of octagonary
14. a pyramid has a triangular face.
15. a cube has six face
16. a sphere is a plane figure
17. a cone has no vertex
18. a rectangular pyramid has square face
19. spatial figures are three dimensional figures
20. the faces of prism is triangle
11. the base of a cone is square
12. a cylinder has a circular base
13. the base of octagonary
14. a pyramid has a triangular face.
15. a cube has six face
16. a sphere is a plane figure
17. a cone has no vertex
18. a rectangular pyramid has square face
19. spatial figures are three dimensional figures
20. the faces of prism is triangle
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Answer:
11.true
12.true
13.false
14.true
15.true
16.false
17.true
18.false
19.false
20.true
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