Subject :IMO Class : Class 8
State ‘T’ for true and ‘F’ for false.
(i) Pentagonal prism has 5 pentagons
(ii) Euler’s formula is true for all three dimensional figures.
(iii) All cubes are prism.
(iv) A polyhedron with least number of faces is known as a triangular pyramid.
| (i) | (ii) | (iii) | (iv) | |
| A | F | T | T | F |
| B | T | T | T | F |
| C | F | T | F | T |
| D | F | F | T | T |
Ans 1:
Class : Class 5
Ans 2:
Class : Class 9
It is D
Pentagonal prism has only 2 pentagon's
Euler's formula is true for all polyhedrons that is all 3 dimensional figures made up of straight lines,not sphere and cylinder
True true