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Diketahui titik a(1-2) dan b(4,2) ,maka besar vektor ab adalah….

Diketahui titik a(1-2) dan b(4,2) ,maka besar vektor ab adalah….

Jawaban

5 satuan

 

Penjelasan dengan langkah-langkah:

AB² = (2-(-2))² + (4 – 1)²

= 4² + 3²

= 16 + 9

= 25

AB = √25 = 5 satuan

 

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Baca Juga :  Last vacation, my uncle invited me to visit him in SOE. I went there with my father and mother. First, we flew to Surabaya and then we continued our journey to Kupang .