Triangle Teaser


Triangle with circles on corners and mid-points

Can you place one of the numbers 3, 4, 5, 6, 7 and 8 into each of the circles on the diagram, so that the three numbers on each side of the triangle add up to 15?

Solution!

This puzzle is just one of the 500 puzzles in the Tenix Questacon Maths Squad— an outreach program which travels around Australia making maths fun for everyone!