Long description: ex1fig2
Alt text: The image shows two right-angled triangles, labeled (a) and (b), with sides and angles marked with variables.
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- Figure (a) displays a right-angled triangle labeled with vertices A, B, and C. The right angle is at vertex C. The side opposite vertex A has a length of 2 units. The side opposite vertex B has a length of 5 units. The angle at vertex B is labeled with the Greek letter theta (\(\theta\)).
- Figure (b) also displays a right-angled triangle labeled with vertices A, B, and C, with the right angle at vertex C. The side opposite vertex A has a length of \(y\) units. The side opposite vertex B has a length of \(x\) units. The angle at vertex B is labeled with the Greek letter theta (\(\theta\)).