Triangles and Their Side Lengths Answers

A triangle has side lengths measuring 3x cm, 7x cm, and h cm. Which expression describes the possible values of h, in cm?

Triangle QRS has the angle measures shown.

Which are the possible side lengths of a triangle?

Iliana claims that she can construct a triangle from a 12-inch rod, a 36-inch rod, and a 39.4-inch rod. Which statement explains whether she is correct?

3 connecting lines are shown. Line D F is horizontal. Line D E is about half the length of line D F. Line F E is about one-third of the length of line D F.

must

In triangle XYZ, m∠Z > m∠X + m∠Y. Which must be true about △XYZ?

Triangle QRS is a right triangle with the right angle at vertex R. The sum of m∠Q and m∠S must be

Which statements about the diagram are true? Select three options.