DEFINITION
Triangle is a three-sided polygon. It is one of the most fundamental shapes in the geometry.
TYPES OF TRIANGLES
1. Equilateral Triangle
A triangle with 3 equal sides and 3 equal angles (60° each).
2. Isosceles Triangle
A triangle with 2 equal sides and 2 equal angles.
3. Scalene Triangle
A triangle with all sides and angles unequal.
4. Right-Angled Triangle
A triangle with 1 right angle (90°).
5. Obtuse Triangle
A triangle with 1 obtuse angle (> 90°).
6. Acute Triangle
A triangle with all angles acute (< 90°).
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