How many letters does the top answer for “having all angles equal” have?

The most common answer is equiangular (11 letters).

Crossword clue: having all angles equal

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

equiangular 11 letters wn-def

having all angles equal

having or making equal angles 60% similar → isogonic

having all sides or faces equal 50% similar → equilateral

having equal angles; equiangular. johnson. 50% similar → equangular