Can You Guess How Many Triangles Are in This Viral Photo?
Only people with an IQ above 120 can get this question right.

If you're a fan of brain teasers, you'll love the latest one sweeping the Internet.
On Monday, journalist Jitesh Pillaai shared a black-and-white drawing of several triangles hidden within one triangle and asked social media users to identify just how many of them they could find.
Say? pic.twitter.com/lrhXrWw5EP
β J (@jiteshpillaai) April 9, 2018
The brain teaser stumped a lot of people, even those good at math, given the limitations of depth perception.
Some, like the famous Bollywood actress Sonam Kapoor, said 7.
β Sonam Kapoor (@sonamakapoor) April 9, 2018
Others 9.
9? π€β¦ math is dabba! π€ͺπ https://t.co/b1Cjq527jH
β Aditi Rao Hydari (@aditiraohydari) April 9, 2018
One even claimed to find as many as 24.
Actually, 24. https://t.co/o6qKPRLCa0
β WHERE IS YOUR SCOOTER??? (@commedesjaicon) April 9, 2018
Indian writer Diana Penty said 18, which is the correct answer.
18???!! π€ Feels like I haven't used my brain in a while π https://t.co/3N4wBNAqAx
β Diana Penty (@DianaPenty) April 9, 2018
If you're having a hard time figuring out how to arrive at that number, one Twitter user shared a helpful illustration to help solve the puzzler.
β Neerajβ (@Iam_Ineffable) April 9, 2018
If you figured it out, your geometry teacher would be proud!
For more optical illusions, check out Here's Why This Woman's Mind-Bending Mirror Selfie Is Going Viral.
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