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90 degrees because it's a right angle, they're always 90 degrees

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Q: Quadrilateral ABCD is regular what is the measure of right angle of ABC how do you know?
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Related questions

How big is each angle n a regular quilateral?

A regular quadrilateral is a square and each angle is 90 degrees (i.e. a right angle).


Which quadrilateral has 4 congruent sides but no right angle?

-- Rhombus -- Regular parallelogram


A quadrilateral with no right angles is?

a quadrilateral with no right angle is?


How do you find an measure of an angle in a rectangle?

A rectangle is a quadrilateral (four sided shape) with four right angles. Therefore, the measure of every angle is 90 deg.


Can you draw a quadrilateral with 1 right angle?

yes, you can draw a quadrilateral with on right angle because all sides don't have to be equal for a regular one _ /Right Angle l l l l l/ --------------------------------------------------------------------------- A quadrilateral is a polygon with four sides, so yes. You can use only one right angles, if the polygon has four sides.


How many right angles can a quadrilateral have?

a quadrilateral can have from 0 to 4 right angles. But it can't have exactly three right angles. The interior angles of a quadrilateral sum to 360 degrees. If it had three right angles and x were the measure of the fourth angle: 3*90+x=360 x=360-270=90 So if it has three right angles, the fourth angle would be a right angle as well.


What polygon with no right angles?

All polygons can have right angles except for circle and ovulated shapes. The only 'regular polygon' that has a right angle is the quadrilateral.


What is the most right angle quadrilateral can have?

A quadrilateral can have four right angles.


Can a quadrilateral have 3 obtuse angles and 1 right angle?

No a quadrilateral can't have 3 obtuse angles and 1 right angle because if a polygon did have 3 obtuse angles and 1 right angle then it would not even be a quadrilateral.


A quadrilateral where each angle is a right angle?

A rectangle or a square.


A quadrilateral where each angle is right angle?

a square or a rectangle


A quadrilateral were each angle is a right angle?

That is called a rectangle.