The answer depends on what you mean by "mean of triangle". There is no such geometric term.
If you mean "triangle", a triangle can never have two parallel sides.If you mean "triangle", a triangle can never have two parallel sides.If you mean "triangle", a triangle can never have two parallel sides.If you mean "triangle", a triangle can never have two parallel sides.
You have broken down on a two-way road. You have a warning triangle. You should place the warning triangle at least how far from your vehicle?
Triangle-ception.
The yield signs on highways are equilateral.
Round signs give orders, normal triangle signs give warnings and rectangular signs give useful information (the background colour of these describes the road by the way).
there are no triangle shaped emoticons if that is what you mean
Ranch Road
dont throw trash on the road.
you are colourblind.
No passing zone!
Watch out for trees.
there is a brake down ahead
An orange triangle sign indicates a slow-moving vehicle on the road.
To My Knowledge
Folks On Spokes. It's a bike trail.
Changed road conditions