Identify the type of angles in the triangle. Acute angles (less than 90°). Right angle (exactly 90°), marked with a square. Obtuse angles (greater than 90° and less than 180°). Using the ...

It categorizes triangles into equilateral, isosceles, scalene, obtuse, right, and acute based on their sides and angles. The video also covers the concept of congruency, demonstrating how two ...

Obtuse-angled triangle. An obtuse-angled triangle is a triangle that has one obtuse angle. Acute-angled triangle. In an acute-angled triangle, all three angles are acute. Produced by ABC Education ...

2.In a right triangle ABC, right-angled at B, 3.If one of the trigonometric ratios of an acute angle is known, the remaining trigonometric ratios of the angle can be easily determined. 4.The ...