isosceles
pappus of alexendria is the one who discovered congruent traingle
No it has 4 congruent angles and 2 sets of congruent sides
It has 2 congruent sides
No, it has 4 congruent sides.
isosceles triangles have 2 congruent sides scalene triangles have no congruent sides equilateral triangles have 3 congruent sides
Isosceles Triangle - 2 congruent sides Equilateral Triangle - all three sides are congruent Scalene triangle - no sides are congruent
Trapezoid.
escoscolipse
No, it means they have either 2 sides and 1 angle congruent, 2 angles congruent, 2 angles and a side congruent, or 3 sides congruent.
2 pairs of consecutive congruent sides
How about an isosceles triangle of which 2 of its 3 sides are congruent and 2 of its 3 angles are congruent