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In all parallelograms, opposite angles are equal and the 4 interior angles add up to 360 degrees. In someparallelograms, all of the angles are 90 degrees. These parallelograms are rectangles.

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Q: What describes the angles of some parallelograms?
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Related questions

Which best describes the angles of a parallelogram?

which beat describes the angles of some parallelograms


Opposite angles of all parallelograms are always?

opposite angles of all parallelograms are always equal.


If two parallelograms are similar then the corresponding angles are what?

If two parallelograms are similar then the corresponding angles are EQUAL.


Does some parallelograms have 4 right angles?

Yes a rectangle for example


Are all parallelograms a rectangle?

No, because to have a rectangle, you need to have four right angles, and parallelograms dont have to have right angles. However, all rectangles are parallelograms.


There are some parallelograms which are not rectangles true or false?

yes. rectangles are just the special cases of parallelograms where the angles are all 900


What is true of rectangles that isn't true of parallelograms in general?

All rectangles have 90 degree angles and with parallelograms that does not always have to be the case. But no matter what in order for a parallelogram to be a rectangle the angles have to all be 90 degrees.Rectangles are special cases of parallelograms. They have all the properties of parallelograms, and in addition, all their internal angles are right-angles - 90° angles.


Will a parallelogram always sometimes or never be a square?

Some parallelograms are squares - the ones which are equiangular (have equal angles) and are equilateral (have equal side lengths). All squares are parallelograms, but only some parallelograms are squares.


All rectangles are parallelograms. are all parallelograms rectangles explain.?

All parallelograms are not rectangles. The angles of a parallelogram need not be right angles and so the figure need not be a rectangle.


Is it true some rectangles are not parallelograms?

No. All rectangles are parallelograms, specifically those with two pair of parallel sides and all right angles.


Are rectangles are parallelograms?

Parallelograms do not have right angles. A rectangle is a parallelogram but a parallelogram is not a rectangle.


Why are parallelograms not rectangles?

Parallelograms do not have right angles. A rectangle is a parallelogram but a parallelogram is not a rectangle.