alleryWhat name is given to a triangle with one angle wider than 90°?
AAcute
BRight
CEquilateral
DObtuse
Answer & Solution
Correct answer: D. Obtuse
1. One angle larger than 90° makes the triangle obtuse.
2. Acute triangles have all angles below 90°.
3. Only one angle can be obtuse, because the three must total 180°.
_Source: Wikipedia, Triangle, Definition, terminology, and types_
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