Answer:
It's option C. only 3
Step-by-step explanation:
A line of symmetry is a line which will cut any shape in exactly half. In your given picture, only line 3 is symmetrical because if you were to fold the shape after you cut it in half, both halves would match and be equal.
There are 3 answers for this which are (10,2), (8,1), and (14,-1).
You add the external lengths together
Answer:
u=13
Step-by-step explanation: