Violet runs on a triangular track in a local park. On Saturday, she runs one lap around track DEF. The length of each path on this track is shown in meters (m) in the diagram below.

If track DEF is similar in shape to track BAC, what is the distance, to the nearest tenth of a meter, Violet would run in one lap on track BAC?

Question

Violet runs on a triangular track in a local park. On Saturday, she runs one lap around track DEF. The length of each path on this track is shown in meters (m) in the diagram below.
 

If track DEF is similar in shape to track BAC, what is the distance, to the nearest tenth of a meter, Violet would run in one lap on track BAC?

anonymous · Answer

I am completely clueless right now, could someone help?

anonymous · Answer

$$\frac{18}{12}(12+27+18)= 85.5 \text{ meters}$$

anonymous · Answer

You guys' save lives, thanks!!!