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kristieroth1
20.09.2019 •
Mathematics
Prove that the tangent at any point of a circle is perpendicular to the radius
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Ответ:
2. OR>OQ
3.OR>OP
4.OP<OR
5.OP is the shortest of all segments from O to PT
6.OP is perpendicular to PT
Ответ:
For this case we have the following system of equations:
Equating the equations:
We look for two numbers that when multiplied, get 16, and when added together, get -8.
These numbers are -4 and -4.
So, the solution is![x = 4](/tpl/images/0066/6681/49650.png)
We look for the value of y:
Finally, the solution is:![(4,4)](/tpl/images/0066/6681/851d5.png)