Practice Exercises (11) - Chapter 3 : Quadrilaterals - CBSE Class 9 Maths
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Exercises

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Practice Questions

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Question 1 Easy

Calculate the measure of the fourth angle of a quadrilateral if the other three angles are 110°, 85°, and 95°.

💡 Hint: Use the angle sum property of quadrilaterals.

Question 2 Easy

In a parallelogram, one angle is 60°. What are the other three angles?

💡 Hint: Remember, opposite angles are equal and adjacent angles are supplementary.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

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

270°
360°
450°

💡 Hint: Think about how many triangles can be formed by drawing a diagonal.

Question 2

True or False: In any parallelogram, diagonals are equal.

True
False

💡 Hint: Recall specific properties of different types of quadrilaterals.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A rectangle has an area of 48 cm². If its length is 8 cm, what is its breadth?

💡 Hint: Apply area formula of rectangle.

Challenge 2 Hard

The diagonals of a kite measure 12 cm and 16 cm. Prove that the kite has two pairs of equal sides.

💡 Hint: Focus on the right triangles formed by each half of the diagonals.

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