EDC is an isosceles triangle.
According to which theorem are the triangles congruent?
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EDC is an isosceles triangle.
According to which theorem are the triangles congruent?
ΔEDC is an isosceles triangle.
DE = EC
(A)
(A)
Reasoning:
In an isosceles triangle there are 2 equal sides.
The base angles of an isosceles triangle are equal.
Therefore, the triangles are congruent according to the theorem S.A.S. theorem.
A.S.A.
Look at the triangles in the diagram.
Which of the statements is true?
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