to1yainklbcan to1yainklbcan

28-12-2016
Mathematics

Answered

Find the distance between points P(1, 2) and Q(4, 8) to the nearest tenth. i neeeeeed help

Verified Answer :

Nirina7 Nirina7

30-12-2016

the answer is
the vector PQ has (4-1, 8-2) as components, so it is vecPQ= (3, 6)
using the definition
the distance PQ= sqrt ( 3²+6²)= sqrt(9+36)=sqrt(45)

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