Question

Find the distance between (8,7) and (1,-2)

Answer 1

Answer:

√130 units

Step-by-step explanation:

(8,7) ; (1, -2)

Distance = $\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}$

               $= \sqrt{(1-8)^{2}+(-2-7)^{2}}\\\\= \sqrt{(-7)^{2}+(-9)^{2}}\\\\= \sqrt{49 + 81}\\\\= \sqrt{130}$