In the adjoining figure, PQ is parallel to RS, while AB and BC intersects PQ and RS both at T, V, W and X respectively. Given that ∠ATQ = 70°, ∠BXS = 140°. Find ∠ABC.
1
70°
2
45°
3
60°
4
30°
In the adjoining figure, PQ is parallel to RS, while AB and BC intersects PQ and RS both at T, V, W and X respectively. Given that ∠ATQ = 70°, ∠BXS = 140°. Find ∠ABC.