3. Triangles
Triangle Inequality — Quiz
Test your understanding of triangle inequality with 5 practice questions.
Practice Questions
Question 1
If the lengths of two sides of a triangle are $1$ cm and $5$ cm, which of the following could be the length of the third side?
Question 2
What is the smallest possible integer length for the third side of a triangle if the other two sides measure $7$ units and $12$ units?
Question 3
If a triangle has sides of length $2$ cm and $8$ cm, what is the maximum possible integer length for the third side?
Question 4
Which of the following sets of side lengths can form a triangle?
Question 5
A triangle has sides of length $x$, $4$, and $9$. Which inequality represents the possible values for $x$?