The perimeter of the rectangle is . A new shape is formed by placing three other rectangles so that their centres are at the points , , , , as shown in the diagram. The sum of the perimeters of the three added rectangles is . What is the total perimeter of the new shape?
Select one option, then click Submit.
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.
Junior Kangaroo 2025 (2025)
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 →Junior Kangaroo 2025 (2025)