Answer:
The answer is
[tex]10\frac{1}{2} [/tex]
Step-by-step explanation:
An equilateral triangle means all sides are equal.
If one side equals
[tex]3 \frac{1}{2} [/tex]
that means all side equals
[tex]3 \frac{1}{2} [/tex]
[tex]Add \\ 3 \frac{1}{2} + 3 \frac{1}{2} + 3 \frac{1}{2} = 10 \frac{1}{2} [/tex]
