Many triangles can you see

Some users point out that you could also include the word 'triangles' to reach an answer of Daily Mail. Mathematician Martin Silvertant helped the internet come to the correct answer by creating this explanation. Tune in today to stay updated with all the latest news and headlines from the world of entertainment. The Debate. Breaking News. Well, here is a guide to the test and explanation of the results of this riddle. Written By. The brain teaser stumped a lot of people, even those good at math, given the limitations of depth perception.

For you. World globe An icon of the world globe, indicating different international options. Get the Insider App. Click here to learn more. A few saw 6, 16, Even more saw Life has no meaning. We then posed the problem to our Instagram followers, whose replies also ran the gamut, from 5 to 14 to Turns out virtually all of the mathematicians I contacted found the same solution—but not all of them figured it out in the same way. Hey, that was quick. Ready for the answer? The only way to form triangles in the figure I drew, Erikkson-Bisque says, is if the top vertex corner is part of the triangle.

The base of the triangle will then have to be one of the three levels below. This gives 18, or 3 times 6 triangles. Remember high school math? Johanna Mangahas, Ph.