How many different squares c...
How many different squares can be found in the shape shown in the illustration?Correct answers: 165
The first user who solved this task is Ilan Amity.
#brainteasers #math #riddles
X-ray burnsIn 1918, the X-ray expert Dr. Eugene W. Caldwell, died of X-ray burns, in New York. Dr. Caldwell was Director of X-ray in New York City's Bellevue Hospital, and his book The Practical Application of Roentgen Rays in Therapeutics was an accepted textbook on the subject. He received the fatal burns in the course of his X-ray research.* |