This Colorful Puzzle Is Hurting People’s Heads – Can You Work Out How Many Triangles There Are?

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Do you have the Maths skills to work out how many triangles there are?

It’s been a week of brain-teasers, and here’s another one to put your knowledge and eyesight to the test.

The colour combination may make your head hurt, but can you look long enough at this gird to work out how many triangles there are?

Or if, unlike us, you’re something of a maths whizz, can you work out the formula – rather than painstakingly counting each triangle (like we’re doing).

Newsreader, presenter and puzzle-lover Kay Burley posted the tricky problem on Twitter which got people staring hard at the grid and trying to guess.

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Click next page for the answer!