Brand Logo
Login
Search
Brand Logo

Edzy for Classes 6-12

Edzy is a personal AI tutor for CBSE and State Board students, with curriculum-aligned guidance, practice, revision, and study plans that adapt to each learner.

  • Email: always@edzy.ai
  • Phone: +91 96256 68472
  • WhatsApp: +91 96256 68472
  • Address: Sector 63, Gurgaon, Haryana

Follow Edzy

Browse by Class

  • CBSE Class 6
  • CBSE Class 7
  • CBSE Class 8
  • CBSE Class 9
  • CBSE Class 10
  • CBSE Class 11
  • CBSE Class 12
Explore the CBSE resource hub

Explore Edzy

  • About Us
  • Why We Built Edzy
  • Search Learning Resources
  • Blog
  • CBSE News & Updates
  • Contact Us
  • CBSE AI Tutor
  • CBSE Resource Hub

Support & Legal

  • Help & FAQs
  • Accessibility
  • Privacy Policy
  • Terms & Conditions
  • Refund Policy
  • Cookie Policy
  • Site Directory

© 2026 Edzy. All rights reserved.

Curriculum-aligned learning paths for students in Classes 6-12.

CS
Question Practice

If the radius of a circle is doubled, how does the area change?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 11
Mathematics
Mathematics
Conic Sections
Question Bank

If the radius of a circle is d...

Single Answer MCQ
Q-00052177

If the radius of a circle is doubled, how does the area change?

1

It remains the same.

2

It doubles.

3

It quadruples.

4

It reduces to half.

Previous QuestionNext Question
Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What is the conic section formed when a plane intersects a cone at an angle of 90° with respect to the axis?

Single Answer MCQ
View explanation
Q2.

Which conic section results from a plane cutting both nappes of the cone?

Single Answer MCQ
View explanation
Q3.

If the angle of the intersecting plane is equal to the angle of the cone, what conic section is formed?

Single Answer MCQ
View explanation
Q4.

Which of the following describes the relationship between the angles for an ellipse to be formed?

Single Answer MCQ
View explanation