Respuesta :

Answer:

c=14•366

14•4 to the nearest tenth

Step-by-step explanation:

using Pythagoras theorem

c^2=a^2+b^2

c^2=7•9^2+12^2

c^2=62•41+144

c^2=206•41

take the square roots of both sides

c=14•3669

14•4 to the nearest tenth