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
Aero-engineIn 1880, Colonel Beaumont's air-engine for propelling railway carriages was successfully tried at Woowich (a little steam is used). His system largely employed in various ways by Paris Compressed Air company was described to the British Association at Newcastle-upon-Tyne (Sep 1889).[* p.30] |