If P(2,3) and Q)2, 5) are points on a graph, calculate the length PQ

  • A 6 units
  • B 5 units
  • C 4 units
  • D 2 units
waec 2017mathematics

The correct answer is D. 2 units

\(\sqrt{(x_2 - x_1)^2 + (y_2 - Y_1)^2}\)

= \(\sqrt{(2 - 2)^2 + (5 - 3)^2}\)

= \(\sqrt{0^2 + 2^2}\)

= \(\sqrt{4}\)

= 2 units

Previous question Next question