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VTMO 2015 — Grade 4 — semifinal Question 2

VTMO · VTMO 2015 — Grade 4 — semifinal

Question 2

A rectangle has perimeter $42 \,\mathrm{cm}$ and width $4 \,\mathrm{cm}$. What is its length in cm?
  1. $17$
  2. $19$
  3. $21$
  4. $34$
  5. $38$