Recent Lessons

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Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

5 Views

Square

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

11x11

121

12x12

144

13x13

169

14x14

189 Signup and view all the answers

15x15

225 Signup and view all the answers

16x16

256 Signup and view all the answers

17x17

289 Signup and view all the answers

18x18

324 Signup and view all the answers

19x19

361 Signup and view all the answers

20x20

400 Signup and view all the answers