Answer:
3x
Step-by-step explanation:
What you know
This is an equilateral triangle
the x's are all the same
you could write x + x + x = 3x = 16
Multiplying is just adding repeatedly
Answer:16 = 3x
Perimeter = Sides surrounding a figure
The triangle has 3 sides, each named "x".
Thus, because the perimeter is equivalent to 16 inches, 3x = 16.
