vectors A B C D E Let a 10i 4j and b 8i 4j Find the dot product of the two vectors and the angle between the two a b 72 and 0 41 38 a b 96 and 0 131 33 a b 4 096 and 0 131 40 a b 64 and 0 131 38 a b 64 and 0 41 33 80 67000 ME