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If l m, identify the angle pair as congruent or supplementary. Justify your reasoning by classifying the angle pair

If l m, identify the angle pair as congruent or supplementary. Justify your reasoning-example-1
User Flake
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Answer:

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Explanation:

User Benjessop
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Identifying Angle Pairs:

9. ∠ 1 and ∠8 are Congruent - Corresponding angles.

10. ∠5 and ∠6 are Supplementary - Consecutive interior angles.

11. ∠6 and ∠8 are Supplementary - Consecutive interior angles.

12. ∠ 2 and ∠3 are Supplementary - Linear pair.

13. ∠4 and ∠7 are Congruent - Corresponding angles.

14. ∠3 and ∠6 are Supplementary - Alternate interior angles.

Let's solve for the measures of the angles and then determine the relationships between them.

Given:


\[ m\angle 3 = 74^\circ \]

Based on the information provided, here are the measures of the remaining angles:

m∠1 = 74° (given)

m∠2 = 180° - m∠1 = 180° - 74° = 106° (opposite angles in a straight line are supplementary)

m∠4 = 74° (given)

m∠5 = 180° - m∠4 = 180° - 74° = 106° (opposite angles in a straight line are supplementary)

Angle Pair Congruent or Supplementary Classification

1 & 8 Congruent Corresponding angles (formed by parallel lines and a transversal)

5 & 6 Supplementary Consecutive interior angles (formed on the same side of a transversal between two parallel lines)

6 & 8 Supplementary Consecutive interior angles (formed on the same side of a transversal between two parallel lines)

2 & 3 Supplementary Linear pair (form a straight line)

4 & 7 Congruent Corresponding angles (formed by parallel lines and a transversal)

3 & 6 Supplementary Alternate interior angles (formed on opposite sides of a transversal between two parallel lines)

User EoinS
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