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IMAS 2018 — Middle Primary Grades 3–4 — Round 2 Question 8

IMAS · IMAS 2018 — Middle Primary Grades 3–4 — Round 2

Question 8

In the figure below, $ ABCD $ is a square with side length of 10 cm and $ AFE $ is an isosceles right triangle with hypotenuse of length 14 cm, where $ E $ is on the extension of line $ AB $. What is the area, in cm², of the shaded region?

Question illustration