In each of the following cases,given reasons to show that the construction of ΔABC is not possible:(i)AB=6cm,∠A=40∘ and (BC+AC)=5.58cm(ii)AB=7cm,∠A=50∘ and (BC−AC)=8cm(iii)BC=5cm,∠B=80∘,∠C=50∘, and ∠A=60∘(iv)AB=4cm,BC=3cm,and AC=7cm.

In each of the following cases,given reasons to show that the construc

1.	In each of the following cases,given reasons to show that the construction of ΔABC is not possible:(i)AB=6cm,∠A=40∘ and (BC+AC)=5.58cm(ii)AB=7cm,∠A=50∘ and (BC−AC)=8cm(iii)BC=5cm,∠B=80∘,∠C=50∘, and ∠A=60∘(iv)AB=4cm,BC=3cm,and AC=7cm.
Answer» $In each of the following cases,given reasons to show that the construction of Δ A B C i s n o t p o s s i b l e : (i) A B = 6 c m, ∠ A = 40^{\circ} a n d (B C + A C) = 5.58 c m (i i) A B = 7 c m, ∠ A = 50^{\circ} a n d (B C - A C) = 8 c m (i i i) B C = 5 c m, ∠ B = 80^{\circ}, ∠ C = 50^{\circ}, a n d ∠ A = 60^{\circ} (i v) A B = 4 c m, B C = 3 c m, a n d A C = 7 c m .$