In triangle ABC, if the lengths of sides AB, AC, and BC are 7 cm, 10 cm, and 5 cm respectively, is this triangle valid according to the triangle inequality theorem?

Which of the following conditions indicates that two lines are parallel when cut by a transversal?

If line segment AB is perpendicular to line segment CD, which of the following statements is true?

In triangle XYZ, the lengths of the sides are 12 cm, 9 cm, and 15 cm. Does this triangle satisfy the triangle inequality theorem?

Which statement is true regarding two lines that are parallel?

What is the relationship between alternate interior angles when two parallel lines are cut by a transversal?

Which statement is true about the sum of the angles in any triangle?

If the angle measures of triangle PQR are 35 degrees, 65 degrees, and x degrees, what is the value of x?

Which of the following pairs of angles are always supplementary when two lines are cut by a transversal?

What can you conclude if two lines are cut by a transversal and their corresponding angles are congruent?