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Introduction |
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Every geometric figure has a shape and a size. Two circles of different radii have the same shape but their sizes are different. But if we draw two circles of the same radius both the shape and size will be the same. Such figures with the same shape and size are called congruent figures. We can check whether two figures are congruent or not by the method of superposition. |
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Congruent Triangles |
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When two triangles have (i) the same shape, and (ii) the same size, then they are said to be congruent triangles. |
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Problems on Congruent Triangle |
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Prove that AP = BQ. |
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Summary |
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SAS Axiom: If two triangles have two sides of one equal to two sides of the other, each to each, and angles included by these sides are equal, then the triangles are congruent. |
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Congruent Triangles |
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