Puzzle to put numbers on the sides of a triangle
Given the numbers 1 through 9, set the sum of the points on all three sides of the equilateral triangle to 17.
Question 1: Use 4 straight lines to connect the 9 points given below.
![Puzzle to put numbers on the sides of a triangle](https://i1-vnexpress.vnecdn.net/2022/09/17/-5997-1663404590.jpg?w=680&h=0&q=100&dpr=1&fit=crop&s=rXbj3_F6XPaa2ruhwu4d3w)
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Question 2: Join 9 points with three straight lines
![Puzzle to Place Numbers on Sides of a Triangle - 1](https://i1-vnexpress.vnecdn.net/2022/09/17/-6075-1663404590.jpg?w=680&h=0&q=100&dpr=1&fit=crop&s=U8oJJzEUReRXrRZ4dfLWyQ)
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Question 3: Use 6 lines to connect 16 dots
![Puzzle to Place Numbers on Side of a Triangle - 2](https://i1-vnexpress.vnecdn.net/2022/09/17/-9201-1663404590.jpg?w=680&h=0&q=100&dpr=1&fit=crop&s=4eazNcjS86v9DOJvxq1ZPw)
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Question 4: Arrange the numbers from 1 to 9 in such a way that each side of an equilateral triangle is 17.
![Puzzle to Place Numbers on Side of a Triangle - 3](https://i1-vnexpress.vnecdn.net/2022/09/17/-2150-1663404590.jpg?w=680&h=0&q=100&dpr=1&fit=crop&s=-K8uODVMnCRUHvvnCINZ0g)
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