Discusses the properties and types of triangles, explaining that a triangle is a closed figure with three sides and angles. It categorizes triangles into equilateral, isosceles, scalene, obtuse ...

Obtuse-angled Triangle: one of the three interior angle more than 90 degree. What is the Area of A Triangle? The area of any triangle is the total region enclosed within the triangle's three sides.

For example, an acute triangle will have three angles less than 90 degrees, where as an obtuse triangle will have one angle greater than 90 degrees. Lines and angles are involved in every aspect ...

For example, an acute triangle will have three angles less than 90 degrees, where as an obtuse triangle will have one angle greater than 90 degrees. Lines and angles are involved in every aspect ...