WAEC - Further Mathematics (2019 - No. 14)
Calculate the distance between points (-2, -5) and (-1, 3)
\(\sqrt{5}\) units
\(\sqrt{17}\) units
\(\sqrt{65}\) units
\(\sqrt{73}\) units
คำอธิบาย
distance = \(\sqrt{(3 - (-5)^2 + (-1 - (-2)^2)}\)
= \(\sqrt{8^2 + 1^2}\)
= \(\sqrt{65}\) units