pi 6 28 pi*6^2 pi/6 + 2pi pi/6 + 2pi in radians pi/6 + 2pi/3 pi^2/6 series sec(pi/6)^2 sin pi/6)^2 Pi 6 2 Pi 6 2 . Good read: It Ain't No Repeated Addition (by Mathematician Keith Devlin). UPC-57T-PI-F-6 - 2" Wood Outle... Kamis, 21 Januari 2021 Add Comment Edit