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UKMT Junior Kangaroo, 2017

Geometry Difficulty 2.0 Junior Find the answer United Kingdom

Maddie has a paper ribbon of length $36$ cm. She divides it into four rectangles of different lengths. She draws two lines joining the centres of two adjacent rectangles as shown. What is the sum of the lengths of the lines that she draws?

(A) $18$ cm (B) $17$ cm (C) $20$ cm (D) $19$ cm (E) It depends upon the sizes of the rectangles

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