7-4: TEKS Practice

  • 1. Determine which of the labeled angles are exterior angles.

    Angles of a triangle.

  • 2. Angles of a triangle.

    • a. Which of the numbered angles in the figure are exterior angles?

    • b. Which of the numbered angles in the figure are congruent? List all that apply.

  • 3. Angles of a triangle.

    • a. What are the two remote interior angles for ∠4?

    • b. Which of the labeled angles are supplementary? List all that apply.

  • 4. For the figure shown, find m∠1.

    A triangle with an exterior angle measuring 119°. One remote interior angle measures 57° and the other is labeled 1.

  • 5. Given that m∠4 = 68°, m∠1 = (5x − 8)°, and m∠2 = (6x − 12)°, find m∠1 and m∠2.

    A triangle with interior angles 1, 2, and 3. Angle 4 is exterior to angle 3.

  • 6. A right triangle with an acute angle measuring 26°. The other acute angle has an exterior angle labeled 1.

    • a. Writing For the figure shown, find m∠1.

    • b. Explain two ways to find the missing angle measure of the triangle.

  • 7. A triangle with an exterior angle measuring 117°. One remote interior angle measures 59° and the other is labeled 1.

    • a. Reasoning For the figure shown, find m∠1.

    • b. Can you find the measure of ∠1 without using an exterior angle and the other remote interior angle? Explain.


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Table of Contents

Digits, Grade 8, Volume 1, Homework Helper Unit A: Number and Operations Unit B: Proportionality Unit C: Expressions, Equations, and Relationships English/Spanish Glossary Formulas Math Symbols Formulas Measures Properties