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Puzzle of the Day

These puzzles are also printed in Eight days a week, a booklet published by the Association of Teachers of Mathematics.

Put the numbers 7, 8 and 9 at the corners of a triangle. Can you place the numbers 1, 2, 3, 4, 5, 6, in twos on each side to make the same total on all three sides (include the numbers at the corners)?

Answer: 7 6 2 8 1 5 9 4 3 or 7 5 3 8 4 2 9 1 6