contestada

Alvin drives 12 km due south from town A to town B, and then drives 72 km due east to town C. Finally, he 12 km drives 18 km due south to town D. Find the distance between town A and town D.

((please help,,​

Alvin drives 12 km due south from town A to town B and then drives 72 km due east to town C Finally he 12 km drives 18 km due south to town D Find the distance class=

Respuesta :

medicicowrider

Answer:

78 km

Step-by-step explanation:

Redraw diagram. (See pic)

Use Pythagoras to find distance

[tex]y = \sqrt{ {30}^{2} + {72}^{2} } [/tex]

[tex]y = 78[/tex]

Ver imagen medicicowrider