Question

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

Answer 1

√130 units

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)}\\\\= √(49 + 81)\\\\= √(130)`