An isosceles triangle will have (at least) 2 equal angles if it has (at least) 2 equal side. All three sides and angles can be equal and is a special case of an isosceles triangle calle an equilateral triangle.
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Isosceles trapezoids have 2 (occasionally 3) equal sides and have 2 pairs of equal angles, but that's not case if they're not isosceles.
An isosceles triangle has 2 equal sides and 2 equal base angles
2 equal sides and 2 equal angles.
isosceles
isosceles