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| 1. |
The sides of a triangular field are 122m, 120m and 22m. Find the number of tiles that can cover the triangular field, if each tile occupies 11m^2 of space. |
| Answer» R an EQUILATERAL triangle with side ‘a’, area ∴ Each side of the triangle = a CM therefore : a + a + a = 180 cm ⇒ 3a = 180 cm Now, s = Semi–perimeter ∴ Area of a triangle ∴ Area of the given triangle THUS, the area of the given triangle | |