The answer is 15 !
Explanation:
You have 15 slots, each of which will hold one of the names of the players. You need to fill the first slot with some name.
So basically u keep the x on one side and the rest on the other. Get a common denominator. to get rid of the half u times both sides by 2.
hope this helps
the answer is the last one
A 90 degree clockwise rotation will leave the sides with the same length,
will leave the angles the same , it will only change the position of the triangle.
The rotated triangle will be congruent to the original triangle