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Q: Is a quadrilateral which must contain diagonals that are always congruent and must always have four 90 angles?
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Are diagonals always congruent?

In a quadrilateral, the diagonals are only congruent for rectangles (or squares, which is a special kind of rectangle). Note: they are not congruent for a Rhombus.


What is a quadrilateral with diagonals that are always congruent and always has four 90 angles?

It is a square


In which quadrilateral are the diagonals always congruent?

The diagonals of a square. Each equals to s√2, where s is the side-length of the square. A rectangle and an isosceles trapezoid also have congruent diagonals.


What type of quadrilateral always has a right angle and congruent diagonals?

a rectangle yo mama


Are the diagonals of a trapezoid always congruent?

the diagonals of a trepazoid always congruent?


Are the diagonals of a rhombus always congruent?

No. The diagonals are perpendicular, but they dont have to be congruent.


Are the diagonals of a square always congruent?

Yes the diagonals of a square are always congruent. Their length is a*root 2 where a is the side of the square.


Should the diagonals of a parallelogram always be congruent?

No. The diagonals of a parallelogram are congruent if and only if the parallelogram is a rectangle.


Are the diagonals of a quadrilateral always perpendicular?

No.


If both pairs of opposite sides of a quadrilateral are congruent then the quadrilateral is a parallelogram?

always


What polygons always have congruent diagonals?

Regular polygons. A square and rectangle will have congruent (equal length) diagonals.


Is the diagonals of a quadrilateral always intersects?

yes