About RS Aggarwal Solutions Class 9 Maths Chapter 8 Triangles
In Class 9 CBSE mathematics, one of the important chapters is "Triangles." This chapter focuses on the properties and concepts related to triangles, which are fundamental geometrical shapes.
Here is an overview of the key concepts covered in the "Triangles" chapter:
Types of Triangles based on Sides:
Scalene Triangle: A triangle with all three sides of different lengths.
Isosceles Triangle: A triangle with at least two sides of equal length.
Equilateral Triangle: A triangle with all three sides of equal length.
Types of Triangles based on Angles:
Acute Triangle: A triangle in which all three angles are less than 90°.
Right Triangle: A triangle with one angle measuring 90°.
Obtuse Triangle: A triangle with one angle greater than 90°.
Angle Sum Property: The sum of all three angles of a triangle is always 180°. This property holds true for all types of triangles.
Exterior Angle Property: The measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles.
Exercise of RS Aggarwal Class 9 Chapter 8 Triangles
Chapter 8 Triangles Exercise 8
Chapter 8 Multiple Choice Questions (MCQs)