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IMAS 2014 Junior Round 1 Question 16

IMAS · IMAS 2014 Junior Round 1

Question 16

The sectors $MAB$ and $MCD$ are inside the square $ABCD$ of side length 10 cm, as shown in the diagram. What is the total area, in cm², of these two sectors, correct to 1 decimal place? Take $\pi=3.14$.

Question illustration
  1. 52.3
  2. 78.5
  3. 104.7
  4. 157.0
  5. 314.0