Long description: TrigFig30
Alt text: A right-angled triangle with the sides labeled "a" and "b," and the hypotenuse labeled "15," with one of the acute angles marked as 31 degrees and 40 minutes.
This description was generated by AI and has not been verified by a human. If you spot an error, please use the feedback link below.
- The image displays a right-angled triangle labeled with vertices A, B, and C'.
- The angle at vertex C' is indicated by a square symbol, signifying a right angle of 90 degrees.
- The side opposite vertex B, which is the vertical side, is labeled "b."
- The side adjacent to vertex B, which forms the base, is labeled "a."
- The hypotenuse, the side connecting vertices A and B, has a length labeled "15."
- One of the acute angles, located at vertex B, is marked with an arc and labeled "\(31^{\circ} 40'\)".