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Big Ideas Math: Modeling Real Life, Grade 8 View details

2. Angles of Triangles

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Exercise 2 Page 115

Use the relationship of angles between parallel lines.

Angle Measure: 82^(∘)
Explanation: See solution.

Practice makes perfect

Let's consider the given diagram.

To find the measure of ∠ 6, we will use the fact that when two lines intersect, vertical angles are formed on opposite sides of the point of intersection, and these angles are always congruent.