Question

What does this $\overset{\circ}{\rm A}$ symbol mean
Which unit does it represent

Answer 1

Hey you, Louis Fonsi's fan.....the symbol is not visible in the question.

Please add its photo with the question.

Answer 2

hey mate your is here ✌

this symbol called angstrom.
and it is the unit of length.

1 angstrom = 10^(-10)m
1 angstrom = 10^(-8)cm