Practice Pairs of Angles - 6.4 | 6. Lines And Angles | CBSE 9 Mathematics
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6.4 - Pairs of Angles

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What defines complementary angles?

πŸ’‘ Hint: Think about what two angles can add up to for them to be complementary.

Question 2

Easy

If two angles are supplementary and one measures 100Β°, what is the other?

πŸ’‘ Hint: Recall the definition of supplementary angles.

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 are the measures of complementary angles?

  • 90Β°
  • 180Β°
  • 360Β°

πŸ’‘ Hint: Recall the angle relationship definitions.

Question 2

If two lines intersect, are the vertically opposite angles equal?

  • True
  • False

πŸ’‘ Hint: Reflect on the theorems discussed in this section.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Prove that if three angles are supplementary, and one angle measures 40Β°, what are the other two?

πŸ’‘ Hint: Use the supplementary angle definition.

Question 2

Create a diagram of intersecting lines and label all angles. Prove that the vertically opposite angles are equal in your construction.

πŸ’‘ Hint: Use physical objects if necessary to visualize.

Challenge and get performance evaluation