S.1
Triangle Inequality
Decide whether three lengths make a triangle, and find the possible lengths of a third side.
Level
Medium
Problems
Triangle Inequality
Skill S.1 · Triangles & polygons · ★★☆ Medium
- Name
- Date
Score/ 4
Scan for answers
Answer each question.
Example
and , so no
Think: The two shorter sides must add up to more than the longest side, or they can't meet.
- 1Can sides of , , and centimeters form a triangle?
- 2Can sides of , , and feet form a triangle?
- 3Can sides of , , and centimeters form a triangle?
- 4Can sides of , , and feet form a triangle?
Answer Key
S.1 Triangle Inequality · ★★☆ Medium
- 1no
- 2yes
- 3no
- 4no