Descending triangle generally forms in down trend hence consider bearish as the chances are high of break down again in prices.
Ascending triangle forms in uptrend hence consider bullish as chances are high of breakup .
Symmetrical triangle are most of time continuation pattern, but here buyer and sellers are in indecision and there are lower highs and higher lows hence formation take shape of wedge.
By reading above three examples now take a look at steem charts again in this post and decide accordingly.
Hope i answer your query.