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Its beacause that's how all rectangles are if is not at or higher than 90 degress than its a rectangle
To construct 90 degrees in the centre of a rectangle, connect the midpoints of each set of parallel lines. You will then have a cross in the centre that is perpendicular to each other (90 degrees).
What else can I help you with?
How many degrees does a rectangle have?
A rectangle has four corners, each of which is 90 degrees. 4 * 90 degrees = 360 degrees
What does a rectangle look like at 90 degrees?
If it weren't 90 degrees it wouldn't be a rectangle. Are you sure you worded this the way you meant?
How much degrees in a rectangle?
A rectangle, by definition, has four angles, each of 90 degrees.
Does a rectangle have 90 degrees?
Four of them.
What figure has 90 degrees?
Both a square and a rectangle have 4 angles of 90 degrees.
What shapes have 4 angles of 90 degrees?
A square and a rectangle
What is the opposite angles of rectangle?
All angles of a rectangle are 90 degrees.
Is the sum of an angle measures in an rectangle is 180 degrees?
90+90+90+90
Each angle of a rectangle measures how many degrees?
Each angle of a rectangle measures 90 degrees.
How many degrees are in each right angle in a rectangle?
A right angle - whether or not in a rectangle - is 90 degrees.
What is the interior angle for a rectangle?
90 degrees
What angle is 90 dagrees?
The corner of a square or rectangle is 90 degrees.
