answer key for activity 5

1. Activity 5 (answer key)
I. Study the figure and answer the following questions as accurate as you can. The
figure below shows a || b with t as transversal.
Name:
1. 2 pairs of corresponding angles ∠1 and ∠7 ∠3 and ∠6
2. 2 pairs of alternate interior angle ∠4 and ∠6 ∠2 and ∠7
3. 2 pairs of alternate exterior angles ∠1 and ∠8 ∠3 and ∠5
4. 2 pairs of interior angles on the same ∠4 and ∠2 ∠7 and ∠6
side of the transversal
5. 2 pairs of exterior angles on the same ∠1 and ∠3 ∠5 and ∠8
Side of the transversal
II. Given m ║ n and s as transversal

2. 1. Name all the angles that are congruent to ∠ 1. ∠4, ∠5, ∠8
2. Name all the angles that are supplement of ∠2. ∠1
III. Find the value of x given that l1║l2.
1. m∠1 = 2x + 25 and m∠8 = x + 75 x=50
2. m∠2 = 3x – 10 and m∠6 = 2x + 45 x=30
3. m∠3 = 4x – 31 and m∠8 = 2x + 7 x=26