in the figure AB =2 cm , BC =3cm, XY = 2cm,YZ=3cm ,angle =40° and angle Y=40 ° state the postulate by which ∆ABC is congruent ∆XYZ
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Answer:
In triangle ABC & In triangle XYZ
ab=xy
angle b=angle y
bc=yz
By SAS Congruence rule
triangle XYZ is congruent to triangle ABC
bc=yz
angle a=angle x
angle a+ angle b=105
angle x+ angle y=105
angle x+angle y+angle z=180 (angle sum property)
105+angle z=180
angle z=180-105
angle z=75
Step-by-step explanation:
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