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.
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Hot air balloon ascentIn 1783, the first hot-air balloon ascent - unmanned - flew for ten minutes. It was made by the French brothers Joseph-Michel and Jacques-Étienne Montgolfier at their home town of Annonay, France. |