UKMT Pink Kangaroo, 2020

Geometry Difficulty 1.0 Junior Find the answer United Kingdom

The diagram shows a shape made from ten squares of side-length $1$ cm, joined edge to edge. What is the length of its perimeter, in centimetres?

(A) $14$ (B) $18$ (C) $30$ (D) $32$ (E) $40$

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