関連ワード:
what do you call a triangle with three equal sides what do you call a triangle with three congruent sides what do you call a triangle with all three sides equal what do you call a triangle with three sides of equal length what do you call a triangle with 3 sides what do you call a triangle with all three sides of equal length what do you call a triangle that has all three sides congruent what do you call a triangle with 3 different sides what do you call a triangle with 3 unequal sides what do you call a triangle with three different sides
