Triangles and Their Side Lengths Answers

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.

The isosceles triangle has a base that measures 14 units.

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?

Which are the possible side lengths of a triangle?

If triangle DEF has a 90° angle at vertex E, which statements are true? Select two options.

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

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

Steven is cutting an 11 ft piece of lumber into three pieces to build a triangular garden. Which diagram shows a way in which he can cut the wood to create three pieces that can form a triangle?

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

Triangle A B C is shown. Side A B has a length of 12. Side B C has a length of x. Side A C has a length of 15.