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 8
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
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Well, I don't think it takes a lot of time in converting diameter into radius!!
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9,25,636
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Ans 1: (Master Answer)
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(B): Distance travelled by bus = 12 km 352 m
Distance travelled by car = 6 k m 6 m
Distance travelled by walk = 420 m
Total distance travelled = 12 km 352 m + 6 k m 6 m + 420 m = 18 km 778 m = 18778 m = 18.778 km