A parallelogram.
Just call them "congruent angles".
An equilateral triangle has 3 congruent angles that add up to 180 degrees.
Isosceles
-- Every quadrilateral has four sides.-- If it has no right angles, then it could be a parallelogram, a rhombus,a kite, a trapezoid, or any non-regular quadrilateral.
A parallelogram.
A parallelogram.
Parallelogram
Just call them "congruent angles".
That is an equilateral triangle.
Angles that have the same measure are called congruent angles.
An equilateral triangle has 3 congruent angles that add up to 180 degrees.
Right angles.
Isosceles
-- Every quadrilateral has four sides.-- If it has no right angles, then it could be a parallelogram, a rhombus,a kite, a trapezoid, or any non-regular quadrilateral.
A regular polygon such as a square or an equilateral triangle ..... etc .....
quadrilateral quadrangle