Question 5
If the $$\angle A=\angle D$$ and $$\frac{AB}{DE}=\frac{AC}{DF}$$ then both triangles ABC and DEF is similar by which of the following criteria?
Solution
In $$\triangle$$ ABC and $$\triangle$$ DEF,
$$\angle A=\angle D$$ (given)
$$\frac{AB}{DE}=\frac{AC}{DF}$$ (given)
$$\therefore$$ $$\triangle$$ ABC $$\sim$$ $$\triangle$$ DEF by SAS similarity.
=> Ans - (A)
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