Practice Examples - 9 | Chapter 3 : Quadrilaterals | CBSE Class 9 Maths
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the fourth angle of a quadrilateral if the other angles are 110Β°, 85Β°, and 95Β°?

πŸ’‘ Hint: Use the angle sum property.

Question 2

Easy

If one angle in a rectangle is 60Β°, what are the other angles?

πŸ’‘ Hint: Opposite angles in rectangles are equal.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the sum of the interior angles of a quadrilateral?

  • 180Β°
  • 270Β°
  • 360Β°

πŸ’‘ Hint: Think about how many triangles can be formed inside the shape.

Question 2

In a parallelogram, what can be said about the opposite angles?

  • True
  • False

πŸ’‘ Hint: Recall the properties of parallelograms.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A quadrilateral has angles measuring 100Β°, 60Β°, and 120Β°. Prove that it is a concave quadrilateral.

πŸ’‘ Hint: Check the angle sum property again!

Question 2

Calculate the area of a parallelogram where one side is 10 cm, and the height to that side is 8 cm.

πŸ’‘ Hint: Make sure you remember the area formula for parallelograms.

Challenge and get performance evaluation