SOLUTION: If a=(10,4) and b=(2,19) what is the length of ab?

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: If a=(10,4) and b=(2,19) what is the length of ab?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1038273: If a=(10,4) and b=(2,19) what is the length of ab?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the distance formula,
D%5E2=%2810-2%29%5E2%2B%284-19%29%5E2
D%5E2=8%5E2%2B%28-15%29%5E2
D%5E2=64%2B225
D%5E2=289
highlight%28D=17%29