The diagram alongside shows two quarter-circles and two triangles, and . One quartercircle has radius , where cm. The other quarter-circle has radius , where cm.
The area enclosed by the line and the arcs of the two quarter-circles is shaded. What is the total shaded area, in cm? Input note: give your answer in exact form.
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 Mathematical Olympiad 2019 (2019)
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 Mathematical Olympiad 2019 (2019)