NCERT Exemplar Class 9 Maths Unit 8 Quadrilaterals

Candidates can download NCERT Exemplar Class 9 Maths Unit 8 from this page. The exemplar has been provided by the National Council of Educational Research & Training (NCERT) and the candidates can check it from below for free of cost. It contains objective, very short answer type, short answer type, and long answer type questions. Along with it, the answer for each question has also been provided. From the NCERT Exemplar Class 9 Maths Unit 8, candidates can understand the level and type of questions that are asked in the exam.

NCERT Exemplar Class 9 Maths Unit 8 Quadrilaterals

NCERT Class 9 Maths Unit 8 is for Quadrilaterals. The type of questions that will be asked from NCERT Class 9 Maths Unit 8 are displayed in the below provided NCERT Exemplar Class 9 Maths Unit 8. With the help of it, candidates can prepare well for the examination.

Main Concepts and Results

Sides, Angles and diagonals of a quadrilateral; Different types of quadrilaterals:
Trapezium, parallelogram, rectangle, rhombus and square.

• Sum of the angles of a quadrilateral is 360 degree.
• A diagonal of a parallelogram divides it into two congruent triangles,
• In a parallelogram
  (i) opposite angles are equal
  (ii) opposite sides are equal
  (iii) diagonals bisect each other.
• A quadrilateral is a parallelogram, if
  (i) its opposite angles are equal
  (ii) its opposite sides are equal
  (iii) its diagonals bisect each other
  (iv) a pair of opposite sides is equal and parallel.
• Diagonals of a rectangle bisect each other and are equal and vice-versa
• Diagonals of a rhombus bisect each other at right angles and vice-versa
• Diagonals of a square bisect each other at right angles and are equal and vice-versa
• The line-segment joining the mid-points of any two sides of a triangle is parallel to the third side and is half of it.
• A line drawn through the mid-point of a side of a triangle parallel to another side bisects
  the third side,
• The quadrilateral formed by joining the mid-points of the sides of a quadrilateral,
  taken in order, is a parallelogram.

Multiple Choice Questions (Solved Examples)

Multiple Choice Questions (Exercise)

Short Answer Questions with Reasoning (Solved Examples)

Short Answer Questions with Reasoning (Exercise)

Short Answer Type Questions (Solved Examples)

Short Answer Type Questions (Exercise)

Long Answer Type Questions (Solved Examples)

Long Answer Type Questions (Exercise)

Answers

Multiple Choice Questions (Exercise)

Short Answer Questions with Reasoning (Exercise)

Short Answer Type Questions (Exercise)

Long Answer Type Questions (Exercise)

MATHS SCIENCE