Obtuse-angled Triangle (Noun)
Meaning
A triangle that contains an obtuse interior angle.
Classification
Nouns denoting two and three dimensional shapes.
Examples
- A scalene triangle is also an obtuse-angled triangle if one of its interior angles is greater than 90 degrees.
- All three sides of an obtuse-angled triangle are of different lengths.
- Obtuse-angled triangles have only one obtuse angle, not two or three.
- In the obtuse-angled triangle, the longest side is always opposite to the obtuse angle.
- A obtuse-angled triangle can be either acute-angled or a right-angled triangle if the measures of its angles are changed.