Long description: Trig6Fig1
Alt text: A right-angled triangle is shown with an angle labeled A, and altitudes are drawn from the opposite vertex to the base, creating two smaller right triangles.
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- The image displays a large right-angled triangle with the right angle at the base's right endpoint, which is labeled \(C_2\). The left vertex of the base is labeled A, and the angle at this vertex is labeled A.
- A vertical line segment is drawn from the top vertex (the vertex opposite the base \(AC_2\)) down to the base, intersecting the base at a point labeled \(C_1\). This segment represents an altitude.
- A second vertical line segment is drawn from the top vertex down to the base, intersecting the base at the point labeled \(C_2\). This segment represents another altitude.
- The segment \(B_1\) labels the height of the first smaller triangle, and the segment \(B_2\) labels the height of the second smaller triangle.
- The base of the large triangle is segmented into \(AC_1\) and \(C_1C_2\), with the overall base running from A to \(C_2\).