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SEAMO 2022 — Paper B — Grade 3–4 Question 3

SEAMO · SEAMO 2022 — Paper B — Grade 3–4

Question 3

In the pentagon, $\angle A=90^\circ$. Find $\angle B+\angle C+\angle D+\angle E$.

Question illustration
  1. $400^\circ$
  2. $410^\circ$
  3. $420^\circ$
  4. $440^\circ$
  5. $450^\circ$