Aditi found a used cardboard of length 24 cm and breadth 20 cm. She drew two congruent triangles after making the mid point of length as X. What congruence criteria did she use here? State the matching parts.
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Side angle side or SAS congruency criteria would be used in this case.
In triangle AXD and Triangle BXC,
AD = BC ( Opposite sides of a rectangle are equal)
Angle XAD = Angle XBC ( All the angles of a rectangle are 90)
AX = BX ( X is the mid point of the length of triangle AB)
Hence, SAS Criteria is used here for congruency
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