Triangles (Worksheet)
Fill in the blanks
⑴ Two figures are _________, if they are of same shape and same size.
⑵ If two triangles ABC and XYZ are congruent under the correspondence A ↔ Y, B ↔ X and
C ↔ Z, then symbolically, △ABC ≊ _________.
⑶ If two sides and the included angle of one triangle are equal to two sides and the included angle of the other triangle, then the two triangles are congruent. It is called ________________ rule.
⑷ If two angles and the included side of one triangle are equal to two angles and the side of the other triangle, then the two triangles are congruent. It is called ____________ rule.