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MathNet 2017-part-06 — 176 problems (EN–VI) Question 47

Math Olympiad Vault · MathNet 2017-part-06 — 176 problems (EN–VI)

Question 47

Polona divided a rectangle into 9 smaller rectangles and wrote their areas on three of the four corner rectangles (see the figure). What is the area of the fourth corner rectangle?
(A) 9
(B) 13.5
(C) 14
(D) 15
(E) 16

Question illustration