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M l aggarwal understanding icse mathematics class 8 Solutions for Chapter 17 visualising solid shapes
Exercises in Chapter 17 visualising solid shapes Grade 8
Questions in Visualising Solid Shapes Exercise 17.1
Match the objects with their shapes:
| Picture (object) | Shape | |
|---|---|---|
| (i) A tent | [[> widget id="1" <]] | (a) A triangular field adjoining a square field. |
| (ii) A tin | [[> widget id="2" <]] | (b) A hemispherical shell. |
| (iii) A bowl | [[> widget id="3" <]] | (c) Two rectangular cross paths inside a rectangular park. |
| (iv) An agricultural field | [[> widget id="4" <]] | (d) A hemisphere surmounted on a cone. |
| (v) A groove | [[> widget id="5" <]] | (e) A circular path around a circular ground. |
| (vi) A toy | [[> widget id="6" <]] | (f) A cylindrical shell. |
| (vii) A circular park | [[> widget id="7" <]] | (g) A cone surmounted on a cylinder. |
| (viii) A cross path | [[> widget id="8" <]] | (h) A cone taken out of a cylinder. |
Questions in Visualising Solid Shapes Exercise 17.2
Using Euler’s formula, complete the following table:
| Faces | Vertices | Edges | |
|---|---|---|---|
| (i) | 6 | - | 12 |
| (ii) | - | 5 | 8 |
| (iii) | 14 | 24 | - |
| (iv) | - | 16 | 30 |
| (v) | 16 | - | 42 |
| (vi) | 19 | 19 | - |
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