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AMO 2022 – Primary 5 (Grade 5) Question 5

AMO · AMO 2022 – Primary 5 (Grade 5)

Question 5

Helen has a rectangular red cloth measuring 8 cm by 15 cm. She cuts out a triangular flag of the largest possible area, then uses all the remaining cloth to make two equal-area red flags. What is the area of each smaller flag in square centimetres?

Question illustration
  1. 30
  2. 60
  3. 90
  4. 120
  5. 150