“i thought there were 8, but i was wrong! how many do you count?”

Calling all brainteaser lovers: this triangle puzzle (and no, it’s not an optical illusion) is sure to baffle even the sharpest brain for a few minutes. Kumar Ankit, an engineering student from India, designed and posted this geometric puzzle on Quora, challenging users to find all the hidden triangles in this image. You’ll really have to exercise that eye for detail (and a thorough concept of geometry) to solve this visual riddle. How many triangles do you see?

Also read: “Okay folks just a little heads up I have done went through one tragedy of a house fire. I kept smelling something like electrical fire. I tore my house apart trying to find it and finally did. These light bulbs will burn your house down. It has been in this lamp 4-5 years. It is packed tight with nothing but lady bugs. You can see how close it came to igniting. I changed all the light bulbs. Please check yours.”