A straight line passes through the point P 1 2 ... - WAEC Mathematics 2016 Question
A straight line passes through the point P(1,2) and Q
(5,8). Calculate the length PQ
A
\(4\sqrt{11}\)
B
\(4\sqrt{10}\)
C
\(2\sqrt{17}\)
D
\(2\sqrt{13}\)
Ask EduPadi AI...
Correct Option: D
|PQ| = (\sqrt{(x_2 - X- 1) + (y_2 - y_1)^2})
= (\sqrt{(5 - 1)^2 + (8 - 2)^2})
= (\sqrt{4^2 + 6^2})
= (\sqrt{16 + 36})
= (\sqrt{52})
= 2(\sqrt{13})
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