Rectangles;all angles equal 90 degrees
A square, but not a rhombus because a rhombus does not have four congruent angles
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isosceles trapezoid
Equilateral (regular)
A rhombus.
trapezoid
rectangle
4 sides
A square, but not a rhombus because a rhombus does not have four congruent angles
Sometimes but not always depending on what type the 4 sided quadrilateral is.
A rectangle or a square.
RectangleA rectangle has 4 congruent angles, but two pairs of congruent sides instead of all sides being congruent.
An ireggular square has sides all the same lenght but all the angles are not congruent
A rhombus is a quadrilateral whose four sides are congruent. Squares are a type of rhombus with congruent angles. Since there are 4 contruent angles, they must all be right angles.So any quadrilateral that is equilateral is a rhombus and any rhombus with 4 right angles is a square. Every rhombus is a parallelogram because the opposite angles of a rhombus are congruent. Also, the diagonals of a rhombus are perpendicular.
opposite angles in which type of quadrilateral?
That depends on what type of a 4 sided quadrilateral it is but in generals the 4 interior angles of any quadrilateral always add up to 360 degrees.
Equal angles.