Urea is sp2 hybridized, so the bond angles are ~120 degrees.
It's a rectangle.
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parallelagram http://en.wikipedia.org/wiki/Parallelagram well specifically you would be a rectangle which has parallel sides like a square. a parallelogram can be a square or a rectangle because they all have parallel sides but only squares and rectangles have right angles on all sides. parallelograms have congruent sides which require acute and obtuse angles.
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If the angles of two triangles are equal the triangles are similar. AAA If you have three angles on both triangles these must be equal for the triangles to be similar. SAS If you have an angle between two sides and the length of the sides and the angle are the same on both triangles, then the triangles are similar. And SSS If you know the three sides
The bond angles are 120 degrees
The bond angles of CO2 are 180 degrees.
90 and 180 are the approximate bond angles.
The bond angles in HClO3 are approximately 109.5 degrees.
The bond angles in HNO2 are approximately 120 degrees.
The bond angles of SO2 are approximately 119 degrees.
Urea's polar because the bond moment is not null. another reason is cause the oxygen is more electronegative than amine bond (nitrogen and hydrogen)
The bond angles in BrF5 are approximately 90 degrees.
The bond angles in ammonia (NH3) are approximately 107 degrees.
The bond angles in a molecule of CO2 are approximately 180 degrees.
The bond angles in carbon dioxide are approximately 180 degrees.
The bond angles in a molecule of CHCl3 are approximately 109.5 degrees.