An isosceles triangle is a triangle with?

2 interior angles are equal and 2 sides are of equal length.

Two equal sides and two equal interior angles

No

A triangle can be an equilateral triangle, an isosceles triangle, a scalene triangle, a right triangle, an acute triange, or an obtuse triangle.See related link below for more info on triangles

It can be because it depends on the triangle's angles. For example, if the triangle has 2 equal sides and a right angle it could be a isosceles and a right triangle.