The congruency statements that are true about the congruent triangles are: ∠M ≅ ∠Q; QK ≅ MJ; and MN ≅ QR.
Congruent triangles are triangles whose corresponding parts (angles and sides) are congruent to each other.
So, if △JMN ≅ △KQR, it means the corresponding angles and sides of both triangles are congruent.
Therefore, the true congruency statements are:
∠M ≅ ∠Q; QK ≅ MJ; and MN ≅ QR
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