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SASMO 2019 Grade 4 Question 17

SASMO · SASMO 2019 Grade 4

Question 17

The big square on the right is made up of 8 identical rectangles and 1 small square. The width of each rectangle is 2 cm and the area of the small square is 64 square cm. Find the perimeter, in cm, of the big square.

Question illustration

Input: enter a whole number using digits only, without units. Leading zeroes from the paper answer grid may be omitted.