The sum of the angles is 360°. This applies to any quadrilateral (4-sided polygon).
A rectangle has four corners, each of which is 90 degrees. 4 * 90 degrees = 360 degrees
360 degrees
A rectangle, by definition, has four angles, each of 90 degrees.
The 4 angles of a rectangle add up to 360 degrees
360 Degrees
A right angle - whether or not in a rectangle - is 90 degrees.
Each angle of a rectangle measures 90 degrees.
in total it has: 987 degrees
360 degrees
360 degrees
all the angles are right angles (90 degrees) and add to 360 degrees
A square and a rectangle