Question

∆ABC~∆XYZ for the correspondence ABC<>ZXY.if AB=12,BC=8,CA=10 and ZX=10,then XY+YZ=_____
​

Answer 1

Answer:

ΔXYZ is an isosceles triangle. Angles opposite to equal sides of an isosceles triangle are equal.

Thus, if XY=YZ, then ∠Z=∠X.

Answer 2

Question 1:

According to the definition of similarity of triangles, which are the conditions for correspondence DEF ↔ ZXY between ∆DEF and ∆XYZ to be a similarity ?