The diagram shows five congruent right-angled isosceles triangles.
What is the total area of the triangles?
Select one option, then click Submit.
25 \text{ cm}^2
30 \text{ cm}^2
35 \text{ cm}^2
45 \text{ cm}^2
60 \text{ cm}^2
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 2016 (2016)
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 2016 (2016)