They are measures of angular displacement. In two dimensional space they may be measured in degrees (by beginners) or in radians. There are 2*pi radians in a revolution.
In 3-d space angles are measured in steradians. A sphere measures 4*pi steradians
Wiki User
∙ 10y agoThey are congruent.
4 corners 4 angles Angles add up to 90' All angles are right angles Has 4 lines of symmetry
they have edges and corners and angles and a face :)
180 ANGLES
They're all unequal.
angles
It has no right angles. It has two acute angles.
They are congruent.
They are congruent.
180 ANGLES
they have edges and corners and angles and a face :)
4 corners 4 angles Angles add up to 90' All angles are right angles Has 4 lines of symmetry
A square has 4 congruent sides and 4 congruent angles
if you want this answered then what grade are you in?
They're all unequal.
The essential properties are that a rectangle is a quadrilateral whose sides met at right angles. There are many other properties but all of them follow from this.
They have nine sides, and nine internal angles.