Helvetica font pairing with Arimo

Examples of websites using Helvetica (Helvetica is a sans serif font designed by Max Miedinger, Linotype Design Studio, and released by Linotype in 1957. It is available in a wide range of styles and weights) with Arimo (Arimo is a sans-serif font designed by Steve Matteson. It consists of multiple styles available in regular, italic, bold, and bold italic variations)