The golden ratio is equivalent to 1.618… is denoted by a symbol Φ. What is the origin of this symbol

The golden ratio is equivalent to 1.618… is denoted by a symbol Φ. What is the origin of this symbol

The golden ratio is equivalent to 1.618… is denoted by a symbol Φ. What is the origin of this symbol?

(a) Greek

(b) Egypt

(c) India

(d) Arab

Answer: A