A rectangular strip of paper of dimensions is folded as shown in the diagram.
Two rectangles are formed with areas and where .
What is the value of ?
Select one option, then click Submit.
5
5.5
6
6.5
Select an option, then submit.
Sign in or create an account to reveal answers, view the solution, and save your progress. Create a free account to unlock practice and keep track of your work.
Grey Kangaroo 2021 (2021)
One puzzle per day. Cryptarithm, Magic Square, Summit. No sign-up required to play.
Play daily puzzle →Interactive problems and curated lessons—water pouring, magic squares, knight's tour, and more.
Browse library →See how you rank. Top solvers by problems solved correctly. Sign in to climb the ranks.
View leaderboard →Grey Kangaroo 2021 (2021)