Practice Basic Terms and Definitions - 6.2 | 6. Lines And Angles | CBSE 9 Mathematics
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6.2 - Basic Terms and Definitions

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define a line segment.

πŸ’‘ Hint: Think about a drawing connecting two points.

Question 2

Easy

What type of angle measures exactly 90Β°?

πŸ’‘ Hint: Remember the square corners!

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 measures of an obtuse angle?

  • Less than 90Β°
  • Exactly 90Β°
  • Greater than 90Β° but less than 180Β°
  • 180Β°

πŸ’‘ Hint: Think of the largest angle you've drawn.

Question 2

True or False: Adjacent angles have a common arm and vertex.

  • True
  • False

πŸ’‘ Hint: Remember how they are positioned next to each other.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Prove that if two angles are complementary and one angle measures 40Β°, what is the measure of the other angle?

πŸ’‘ Hint: Use the definition of complementary angles.

Question 2

Given two intersecting lines forming angles A, B, C, and D, with A and C being vertically opposite, how would you prove A = C?

πŸ’‘ Hint: Refer to the intersection of lines and the angle relationships discussed.

Challenge and get performance evaluation