Respuesta :

Answer:

It is only 13

Step-by-step explanation:

Brainly takes away half points by the way

Answer:

AD=√AB^2-BD^2=√10^2-8^2=√36=6

DC=√BC^2-BD^2=√17^2-8^2=√225=15

AC=AD+DC=21

Step-by-step explanation:

Ver imagen CuteCittens