Task 40334.
At the bottom of the pond is a small stone. The boy wants to go to the end of his stick. Taking aim, he holds a stick in the air at an angle of 45 °. How far from the stone votknetsya stick to the bottom, if the depth of 50cm?
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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