make four triangles using 9 matchsticks
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this can Help you.. use 3 match sticks to form a triangle.
Place each of the other 3 matchstick vertically at each of the 3 edges of the triangle
Make each of the 3 exposed ends of the 3 vertically up-right matchsticks to meet each other.
The result is actually a 3D triangle with the four sides consisting of the 3 sides of the 3D Triangle and the last side resting on the table.
Place each of the other 3 matchstick vertically at each of the 3 edges of the triangle
Make each of the 3 exposed ends of the 3 vertically up-right matchsticks to meet each other.
The result is actually a 3D triangle with the four sides consisting of the 3 sides of the 3D Triangle and the last side resting on the table.
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