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As far as I know, there is no "regular" 4 pointed star.
However, if you have a 4 pointed star, you can draw a circle through it's inner points and a second circle around its outer points. If we say that the inner circle has radius "r" and the outer circle has radius "R", that the angle, "a", of the star's points are:
a = atan(2r / (R√2 - r)
If the outer circle is twice as big as the inner circle, this becomes:
a = atan(2r / (2r√2 - r) = atan(2 / (2√2-1) = 47.5°
What else can I help you with?
What figure has 4 acute and 4 obtuse angles?
A four pointed star.
What is the width of opposite points on a 4-pointed star?
That depends on the size of the star.
How many obtuse angles in regular hexagon?
4
What is the name of a polygo with 4 right angles?
A polygon with 4 right angles is a rectangle. (A square is a "regular" rectangle.)
Which has more right angles a rectangle or a regular pentagon?
A rectangle has 4 right angles whereas a regular 5 sided pentagon has no right angles.
What shape has 4 acute angles and 4 reflex angles?
A 4 pointed star.
What figure has 4 acute and 4 obtuse angles?
A four pointed star.
What is the width of opposite points on a 4-pointed star?
That depends on the size of the star.
How do you make a four pointed star?
if you mean 4 pointed star like a ninja star, there's a pretty good video showing you how here: http://foldsomething.com/origami-videos/4-point-star-ninja-throwing-star-shuriken/
How many obtuse angles in regular hexagon?
4
What is the name of a polygo with 4 right angles?
A polygon with 4 right angles is a rectangle. (A square is a "regular" rectangle.)
Which has more right angles a rectangle or a regular pentagon?
A rectangle has 4 right angles whereas a regular 5 sided pentagon has no right angles.
How many sides does a regular polygon have if its exterior angles are equal to its interior angles?
4 such as a square
What is each exterior angle measure of a regular quadrilateral?
The sum of the exterior angles of a polygon equals 360.Quadrilateral has 4 exterior angles.360/4=90 for a regular quadrilateral.
How could you arrange 10 coins so that you have 5 rows with 4 coins in each row?
Draw a regular five-pointed star. Place a coin at each of the points and each of the intersections.
What is a regular square?
A regular square is just a square with 4 equal and parallel sides, and 4 equal right angles.
What shape has 4 acute and 4 reflex angles?
A four edged star.
