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- <html>
- <body>
- <?php
- $r = $_GET['c']*(pi()/180)
- $p = $_GET['a'] * $_GET['b'] * (sin($r)/2)
- echo "<b>Перводим угол в радианы:</b> $r<br>
- <b>Площадь треугольника равна:</b> $p";
- ?>
- </html>
- </body>
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