http://www.ck12.org Chapter 5. Relationships with Triangles
4.
5.
6.
- 4 JKLis an equiangular triangle.
- 4 MNOis a triangle in which two the angles measure 30◦and 60◦.
- 4 PQRis an isosceles triangle in which two of the angles measure 25◦.
- 4 ST Uis an isosceles triangle in which two angles measures 45◦.
Given the following triangles, which line segment is the altitude?