A Major Triads

A Major Triads, like all Major scale triads, utilize the 1st, 3rd, and 5th tones of the scale. In A Major these tones would be A (Root), C# (Third), and E (Fifth).

A Major Triads on EBG Strings

A Major Triads on BGD Strings

A Major Triads on GDA Strings

A Major Triads on DAE Strings