BRAIN TEASERS

enter your answer and press button OK

How many triangles?

Correct answers: 101

The first user who solved this task is Sanja Šabović.

#brainteasers #math #riddles

Register with your Google Account and start collecting points.

Check your ranking on list.

A six-year-old boy called his...

A six-year-old boy called his mother from his friend Charlie's house and confessed he had broken a lamp when he threw a football in their living room.
"But, Mom," he said, brightening, "you don't have to worry about buying another one. Charlie's mother said it was irreplaceable."

Jokes of the day - Daily updated jokes. New jokes every day.

Follow Brain Teasers on social networks

Brain Teasers

puzzles, riddles, mathematical problems, mastermind, cinemania...

Thomas Harriot

Died 2 Jul 1621 (born c. 1560).(also spelled Hariot) Mathematician and astronomer who founded the English school of algebra. He introduced a simplified notation for algebra and his fundamental research on the theory of equations was far ahead of its time. He was able to solve equations, even with negative or complex roots. However, he published no mathematical work in his lifetime. (Artes analyticae praxis, posthumous, 1631). Especially early in his career, he worked on navigation for his patron Walter Raleigh. Harriot carried out extensive telescopic observations of the satellites of Jupiter and of sunspots. When investigating optics, he discovered the sine law and measured the refractive indices of 13 different substances. He investigated free motion and motion resisted in air, and ballistic curves.

This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.