Answer:
All the three statements are correct.
Step-by-step explanation:
When two or more lines are cut by a transversal, the angles which occupy the same relative position are called corresponding angles .
In the figure the pairs of corresponding angles are:
∠1 and ∠5, ∠2 and ∠6, ∠3 and ∠7, ∠4 and ∠8
When the lines are parallel, the corresponding angles are congruent .
When two lines are cut by a transversal, the pairs of angles on one side of the transversal and inside the two lines are called the consecutive interior angles .
In the above figure, the consecutive interior angles are:
∠3 and ∠6, ∠4 and ∠5
If two parallel lines are cut by a transversal, then the pairs of consecutive interior angles formed are supplementary .
When two lines are cut by a transversal, the pairs of angles on either side of the transversal and inside the two lines are called the alternate interior angles .
In the above figure, the alternate interior angles are:
∠3 and ∠5, ∠4 and ∠6
If two parallel lines are cut by a transversal, then the alternate interior angles formed are congruent.
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