Practice Exercise 1 (11.1) - Chapter 3 : Quadrilaterals - CBSE Class 9 Maths
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Exercise 1

Practice - Exercise 1

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Find 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

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

💡 Hint: Recall the angle sum property.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

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

180°
270°
360°

💡 Hint: Think of how many triangles can be formed in a quadrilateral.

Question 2

Is a square a type of rectangle?

True
False

💡 Hint: Consider the definitions of both shapes.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A rectangle has a length twice its width. If the perimeter is 36 cm, find the dimensions of the rectangle.

💡 Hint: Use the perimeter formula for rectangles.

Challenge 2 Hard

Show that the diagonals of a trapezium do not have to be equal, but their lengths affect the angles formed.

💡 Hint: Draw the trapezium and apply the Pythagorean theorem.

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