It's one of those things most people remember from their school days. The angles in a triangle always add up to 180˚. And a right-angled triangle always has one angle that is 90°, so the other two ...

Math puzzles have a special way of making even the sharpest minds stop and think. A new brain teaser going around online has been challenging people to figure out the pattern hidden in a series of ...

Problem 5 is all about triangles and figuring out how they fit together. Maths teacher Chris Smith and pupils from Grange Academy are here to explain. The Maths Week Scotland Daily Challenges have ...

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A maths brain teaser shared on X puzzled many as users solved equations to find the value of a triangle, sparking over 200 comments with mixed reactions. Who doesn’t love a good brain teaser? Whether ...