Fill in the blank

(i) Sides opposite to equal angles of a triangle are equal

(ii) Sides opposite to equal angles of a triangle are equal

(iii) In an equilateral triangle all angles are equal

(iv) In a Δ ABC, if ∠A=∠C, then AB = BC

(v) If altitudes CE and BF of a triangle ABC are equal, then, AB = AC

(vi) In an isosceles triangle ABC with AB=AC, if BD and CE are its altitudes, then BD is equal to CE

(vii) In right triangles ABC and DEF, if hypotenuse AB=EF and side AC=DE, then Δ ABC ≅ ΔEFD