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VTMO 2016 — Grade 4 — semifinal Question 9

VTMO · VTMO 2016 — Grade 4 — semifinal

Question 9

Two squares with positive integer side lengths in cm are joined as shown, with total area $52$ square centimeters. What is the combined perimeter?

Question illustration
  1. $30 \,\mathrm{cm}$
  2. $28 \,\mathrm{cm}$
  3. $36 \,\mathrm{cm}$
  4. $32 \,\mathrm{cm}$
  5. $40 \,\mathrm{cm}$