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VTMO 2015 — Grade 6 — semifinal Question 9

VTMO · VTMO 2015 — Grade 6 — semifinal

Question 9

Square $PQRS$ has $M , N$ the midpoints of $PS , RS$. Area $\left(SMN\right) = 18 \,\mathrm{cm}^{2}$. Find area $\left(QMN\right)$.

Question illustration
  1. $36 \,\mathrm{cm}^{2}$
  2. $48 \,\mathrm{cm}^{2}$
  3. $54 \,\mathrm{cm}^{2}$
  4. $72 \,\mathrm{cm}^{2}$
  5. $90 \,\mathrm{cm}^{2}$