Practice Angle Relationships - 4.4 | 4. Geometry | ICSE Class 9 Maths
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the measure of an angle that is complementary to a 40° angle?

💡 Hint: Remember complementary means they sum to 90°.

Question 2

Easy

If two angles are supplementary and one measures 120°, what is the other angle?

💡 Hint: They must total 180°.

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 do complementary angles sum to?

  • 90 degrees
  • 180 degrees
  • 270 degrees

💡 Hint: Think about the meaning of 'complementary'.

Question 2

True or False: Vertically opposite angles are always equal.

  • True
  • False

💡 Hint: Visualize two crossing lines and their angles.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If angle A and angle B are a linear pair and angle A measures 70 degrees, what are the measures of angle B and also the measure of angle C, which is vertically opposite angle B?

💡 Hint: Add to 180° for the linear pair, then find the opposite.

Question 2

Given that angles A and B are supplementary and angle A is twice the measure of angle B, find the measures of angles A and B.

💡 Hint: Translate the relationship into an equation based on the sum.

Challenge and get performance evaluation