plss give formula for height of frustum when length and radius are given Share with your friends Share 0 Aarushi Mishra answered this Dear studentIt is not clear what do you mean by length of frustum. I am assuming you are taking about slant heighth=l2-r2-r12wherer2 and r1 are the radii of the two faces of the frustuml is the slant height 0 View Full Answer