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.
the area of a square is the length multiplied the breadth
in a square, all sides are equal so:
A=n×n
A=n²
y=1/2x
math is math
