Question

If a=(10,4) an b=(2,19) what is the length of ab

Answer 1

17

Explanation:

Answer 2

Using the distance formula,

`|AB|= \sqrt{(2 - 10) {}^(2) + (19 - 4) {}^(2) }`



`|AB|= \sqrt{( - 8) {}^(2) + (15) {}^(2) }`

`|AB|= √(64+ 225 )`


`|AB|= √(289 )`

`|AB|= 17 \: units`