Testing Side Lengths to Form Triangles
Discover whether or not a triangle can be formed from three different side lengths. Explore animated answers in this activity.
How can you tell if three different lengths will form a triangle?
Putting It All Together
Answer these open ended questions on your own or with others to form deeper math connections.
Challenge Question
Triangle has two sides, length 5 cm and 8 cm. What lengths are possible for the third side?
Challenge Question 2
Triangle has two sides, length 12 cm and 30 cm. What is the longest possible length of the third side? What is the shortest possible length of the third side?
Close your Chromebook and get out your notebook if done!