The interpretation of the congruency postulates are:
27) CB ≅ QR
28) ΔXZY ≅ ΔQRP
How to interpret the congruent triangles?
There are different triangle congruence postulates such as:
SAS
SSS
AAS
ASA
HL
27) We are given three congruent sides and as such the triangles are congruent by SSS Postulate and as such:
CB ≅ QR
28) We are given three congruent sides and as such the triangles are congruent by SSS Postulate and as such:
ΔXZY ≅ ΔQRP