Jawabanmu

2014-09-08T20:44:36+07:00
R = v A^2 + B^2 = V4^2 + 6^2 = V 16 + 36 = V52 = 2v13 satuan

R= v A^2 v B^2 = v 15^2 + 20^2 = v 225 +400 = v 625 = 25 satuan



nb : v = akar
^ = pangkat