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Learn about congruence in geometry, where figures are identical in shape and size. Discover the properties of congruent triangles and how they relate in terms of angles and sides.
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1B Chapter 11 11.1 Congruence In geometry, two figures are said to be congruent if they are of the same shape and the same size. For example, the following are congruent figures.
1B Chapter 11 11.1 Congruence Congruent triangles are triangles which have the same shape and the same size. If △ABC△PQR, then (a) A = P, B = Q, C = R; (b) AB = PQ, BC = QR, CA = RP. A R P Q B C