How does the perimeter of the entire train change each time she adds one more triangle to the end of the train?
Sheet # 61 Critical Thinking
Name: _____________________ Date_____________
Use drawings, words, or numbers to explain how you got your answer.
Maria is making "trains" of equilateral triangles with 1-inch sides as shown below.
How does the perimeter of the entire train change each time she adds one more triangle to the end of the train?
Answer for sheet # 61
Perimeter increases by 2 everytime a triangle is added.