Practice Summary - 6.6 | 6. Lines And Angles | CBSE 9 Mathematics
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Summary

6.6 - Summary

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a linear pair?

💡 Hint: Think about angles that share a common ray.

Question 2 Easy

Are vertically opposite angles equal?

💡 Hint: Draw two intersecting lines to visually check.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What do we call the angles that are formed when two lines intersect?

Adjacent angles
Vertically opposite angles
Linear pair

💡 Hint: Think about angles formed at an intersecting point.

Question 2

True or False: The sum of the angles in a linear pair is always 90°.

True
False

💡 Hint: Recall the definition of a linear pair.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given two lines that intersect creating angles of 80° and x°, find the measure of x.

💡 Hint: Focus on the property of equal opposite angles.

Challenge 2 Hard

Prove that two lines parallel to a third line are parallel to each other.

💡 Hint: Identify the corresponding angles carefully.

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