Angel's favorite singer has made 2 albums containing 12 songs in total. Angel wants to make a playlist of 10 of those songs, and he won't repeat
any of the 12 songs. Find the number of unique ways Angel can pick and
arrange the songs for the playlist.

What are the options for plato

39 is the answer

The median segment divides the triangle into 2 isosceles triangles and everything else is trivial.|ad|=|bc|2=|bd|soδadb  is isosceles with∠dab=∠dbasimilarlyδadc  is isosceles with  ∠dac=∠dca∠cab=∠cad+∠bad=∠acb+∠abctherefore∠cab  is a right angleandbc  is the hypotenuse of a right-angled triangle.hope this