C is the correct answer. It can’t be D because negative can’t be under radical.
Hope this helps!
Answer:54 cm
Step-by-step explanation:
Given
Rods are joined to form a square
Perimeter of square is
Suppose a is the length of each rod so
Perimeter is
Now if rods are joined to form a square then
Perimeter is the sum of sides
Perimeter of (equilateral)triangle
The answer to this would be C because you can multiply everything by 3 and still have a consistent-dependent system.