How many triangles are there...
How many triangles are there in the picture?Correct answers: 97
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #riddles
Zipper patentIn 1893, U.S. patent No. 504,038 was issued to Whitcomb L. Judson for a "Zipper Clasp Locker or Unlocker for Shoes." |