An isosceles triangle with angles of 50°, 50° and 80° is an acute-angled triangle. Image caption, A scalene triangle with all angles less than 90° is an acute-angled triangle. A scalene ...

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 ...

Scalene triangle. A scalene triangle is a triangle ... An obtuse-angled triangle is a triangle that has one obtuse angle. Acute-angled triangle. In an acute-angled triangle, all three angles ...

The general formula to calculate the area of a triangle is half of the product of its base and height. Let’s explore the topic in detail. Acute-angled Triangle: all interior angles are acute i.e ...