In the adjacent figure, a line n falls on lines 1 and m such that the sum of the interior angles 1 and 2 is less than 180°, then what can you say about lines 1 and m.

In the adjacent figure, a line 'l' intersects two other lines P, Q and angle1+ angle2 gt 180^@ then show that ´angle3 + angle4 gt 180^@ .

When a traversal intersects two lines and a pair of alternate co exterior angles are eqaul what can you say about the two lines?

When a traversal intersects two lines and a pair of alternate exterior angles are eqaul what can you say about the two lines?

In adjacent figures find the magnitude of each of the three angles formed. (Hint: Sum of all angles at a point on a line ais 180^@ .

In the adjacent figure BE bot DA and CD bot DA then prove that m angle1 ~= m angle3 .

Fill the table with the measures of the corresponding angles.Find out in which figure the pairs of corresponding angles are equal.What can you say about the lines 'l' and 'm'?What can you say about the lines 'p' and 'q'?Which pair of lines are parallel?

In the adjacent figure, the lines ‘l’ and ‘m’ are parallel and ‘n’ is a transversal. Fill in the blanks for all the situations given below If angle1 = 80^(@) then angle2 = ______________