Question

List all the pairs of angles that fits the discription.
1.Corresponding angles
2.alternate exterior angles.
3. alternate interior angles.
4. Co- interior angles.
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Answer 1

★ Solution:

1) Corresponding angles:-

Answer: ( ∠5 , ∠3 ), (∠6 , ∠4 ), ( ∠1 , ∠7 ) and

( ∠2 , ∠8 ).

Note

All pairs of corresponding angles are equal

2) Alternate exterior angles

Answer: ( ∠6 , ∠7 ) and ( ∠5 , ∠8 ).

3) Alternate interior angles

Answer: ( ∠1 , ∠4 ) and ( ∠2 , ∠3 ).

Note

All pairs of alternate angles are equal.

4) Co- interior angles

Answer: ( ∠1 , ∠3 ) and ( ∠2 , ∠4 )

Note

∠1 + ∠3 = 180° ; ∠2 + ∠4 = 180°

☆ More Info ☆

• The angles having matching corners when two lines are crossed by a transversal is called corresponding angle.
• An example of vertically opposite angles:-If two lines P and Q intersect each other at a point, four angles let it be a ,b ,c and d. The opposite angles a and c are vertically opposite angles.