obtuse triangle (noun)

1. In the cartoon, the villain drew an obtuse triangle on the blackboard to explain his evil plan.

2. In the romantic movie, the couple carved an obtuse triangle on a tree trunk as a symbol of their eternal love.

3. The narrator described the mystical land as a place where trees grew in the shape of obtuse triangles in the fantasy literature.

4. According to Greek mythology, the haunted maze was guarded by a minotaur who dwelled in the center of an ancient obtuse triangle.