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Yes, their measures must always equal 90 degrees.

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14y ago

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All of the angles of a quadrilateral are congruentcan the quadrilateral be a pallegram?

It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.


Are the consecutive angles of a rectangle are congruent?

yes, all angles of a rectangle are 90 degrees and therefore congruent


Is all angles of a rectangle congruent?

Yes


Has four congruent angles?

It could be an irregular polygon with 5 or more sides or a rectangle or square.


How can you prove that a rectangle is really a rectangle?

In a rectangle, all the opposite sides, and angles are congruent to each other. All 4 angles of the rectangle, are right angles.


Are all the angels of a rectangle congruent?

All 4 angles of a rectangle are congruent each measuring 90 degrees


If two sides of a rectangle are congruent then then angles oppposite those sides are always congruent?

No "if" is necessary in this case. All angles of a rectangle are congruent, by definition. Also, there is no "angle opposite a side" in a rectangle.


How many congruent angles does a rectangle have?

A rectangle has four congruent angles. There's your answer and thanks for asking!


If a polygon is not a square then it is not a rectangle?

Correct. A square is a rectangle, a special kind that is 'regular'--all its angles are congruent, and all its sides are congruent.


Does a rectangle have to have four congruent sides?

No, a rectangle has to have four congruent angles.


Is a polygon with all angles congruent a regular polygon?

No. You also need all of the sides to be congruent. For example, a rectangle has four congruent angles, but it is not a regular polygon.


Are all the angles of a rectangle are congruent?

Yes the 4 interior angles of a rectangle each measure 90 degrees.