Mathematics
Senior High
ada yg tau gak
dari tadi ga nemu jawabannya susah bgt 😭
Diketahui vektor ā = -i+j dan b =-i - 2j + 2k maka besar sudut yg terbentuk dari
vektor ā dan b sama dengan
A. 30°
B. 45°
C. 60°
D. 120°
E. 135°
A
C
O D
O E
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