Long description: ex1fig4
Alt text: A right-angled triangle labeled with sides and angles, where one acute angle is given as 57.5 degrees.
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- The image displays a right-angled triangle with vertices labeled A, C, and B.
- The right angle is located at vertex C, indicated by a small square symbol.
- The side opposite vertex A (the hypotenuse) is labeled with the variable \(c\).
- The side AC (the vertical leg) is labeled with the variable \(b\).
- The side CB (the horizontal leg) has a length labeled as 10.
- One acute angle at vertex A is labeled with the Greek letter alpha (\(\alpha\)).
- The other acute angle at vertex B is labeled with the Greek letter beta (\(\beta\)).
- To the right of the triangle, the angle \(\alpha\) is shown with a measurement of \(57.5\) degrees.