Loading...

▶️ New on YouTube: This HRT Quant Interview Question Has a One-Line Answer - Watch now

Get quant-ready in 2026

⚡ Build the skills to land top-paying quant jobs. Offer ends in 25d 09h 52m 31s25 days 9 hours 52 minutes 31 seconds.

Problems
Resources
Jobs
New!
Games
Newsletter
New!
YouTube
Pricing

Problems
Resources
Resumes
Courses
Coding Exercises
Curated Lists
MCP
Jobs
Games
New!
Community
Discuss
Blog
Contribute
Share your story
Newsletter
YouTube
New!
Pricing

Sign In

Loading...

Copyright © 2026 - All rights reserved by PuzzledQuantLLP

CommunityFeedback Feature Request Help Contribute Changelog

ServicesMCP Pricing Return & Cancellation Policy For Recruiters & Quant Firms

CompanyAbout Us Careers T&C Privacy Policy Contact Us

Social

Loading...

Home
Problems
Radius of a Circle

00:00:00

Radius of a Circle

Easy

0

0

Geometry

The equation

$x^2 + y^2 - 8x - 6y + 21 = 0$

represents a circle in the Cartesian plane. What is its radius? Give your answer as an integer.

Your answer

Enter an integer or an expression that evaluates to one.

Discussion (0)

Related Problems

Swing Time II: The Seven-by-Seven Board Move to the North

Random point on disk Enclosing The Center