In the diagram, the small equilateral triangles have area 4 .
What is the area of the shaded region?
Select one option, then click Submit.
80 \text{ cm}^2
90 \text{ cm}^2
100 \text{ cm}^2
110 \text{ cm}^2
120 \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 2015 (2015)
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 2015 (2015)