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Question
In the following figure, which pairs of triangles are congruent by SAS congruence criterion (condition)? if congruent, write the congruence of the two triangles in symbolic form.
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Solution
In ∆SUT and ∆XYZ,
ST = XZ = 3 cm ...(Given)
UT = YZ = 4 cm ...(Given)
∠STU = ∠XZY = 30° ...(Given)
∴ ∆SUT ≅ ∆XYZ ...(SAS criterion)
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In Fig,
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