Possible Clues:

• Numerical system points to a triangle
• (Of triangle) with each side of a different length
• Fuss about a league with ill-matched sides
• Having no symmetry, in a way
• Unequal on all three sides
• Unequal-sided (triangle)
• Embarrassing situation about a league starting with unequal sides
• Tartar capturing space when sides are unequal
• Climb north face of escarpment with uneven sides
• (Of triangle) having three unequal sides