Question

Determine the distance between a(-1, 2,3) and b(4,-5, 6) to the nearest tenth

Answer 1

hello :
 the distance between A(-1, 2,3) and B(4,-5, 6)
AB= √((4-(-1)²+(-5-2)² + (6 - 3 ) ²) =√(25 +49 +9) =  √83 ≅ 9.11