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Julian placed 1-centimeter square tiles along the sides of a triangle, as shown.
(see pic #4)
What measurement is Julian trying to determine?
A. the area, which is 16 centimeters
B. the perimeter, which is 16 centimeters
C. the area, which is 16 square centimeters
D. the perimeter, which is 16 square centimeters
What is B. the perimeter, which is 16 centimeters