# RD Sharma Class 6 ex 12.2 Solutions Chapter 12 Triangles

In this chapter, we provide RD Sharma Class 6 ex 12.2 Solutions Chapter 12 Triangles for English medium students, Which will very helpful for every student in their exams. Students can download the latest RD Sharma Class 6 ex 12.2 Solutions Chapter 12 Triangles Maths pdf, Now you will get step by step solution to each question.

# Chapter 12: Triangles Exercise 12.2

### Question: 1

Total number of parts of a triangle is

### Solution:

Six: Three sides and three angles

### Question: 2

A perpendicular drawn from a vertex to the opposite side of a triangle is known as

### Solution:

An Altitude: An Altitude is defined as the perpendicular drawn from a vertex to the opposite side of a triangle.

A triangle

### Solution:

has three altitudes

### Question: 4

Line segment joining the vertices to the mid – points of the opposite side of a triangle is known as

### Solution:

Medians: A median is defined as the line segment joining the vertex to the mid – point of the opposite side of a triangle.

### Question: 5

A triangle whose no two sides are equal is called

### Solution:

A scalene triangle: A Scalene triangle is defined as the triangle in which no sides are equal.

### Question: 6

A triangle whose two sides are equal is known as

### Solution:

An isosceles triangle: An isosceles triangle is a triangle that has two equal sides.

### Question: 7

A triangle whose two sides are equal is called

### Solution:

An equilateral triangle is defined as a triangle whose all sides are equal.

### Question: 8

The sum of the lengths of side of a triangle is known as its

### Solution:

Perimeter: Perimeter is defined as the sum of the length of all the sides of a triangle

### Question: 9

A triangle having all sides of different length is known as its

### Solution:

Scalene triangle: A Scalene triangle is defined as a triangle having all sides of different length.

### Question: 10

A triangle whose one angle is more than 90° is called

### Solution:

An obtuse triangle: An obtuse triangle is a triangle whose one angle is more than 90o

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