100 Park Bench Crosswords

100 Park Bench Crosswords

Matematika jika vektor a = (-5,-2,4) dan b= (2,-3,1) besar sudut antara a dan b adalah​
a.30°
b.45°
c.60°
d.90°
e.120°

jika vektor a = (-5,-2,4) dan b= (2,-3,1) besar sudut antara a dan b adalah​
a.30°
b.45°
c.60°
d.90°
e.120°

semoga bermanfaat..........

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