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It is often used for the direct sum.

I have posted a link about that.

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Q: What is a circle with a plus inside in math?
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Related questions

What is an open circle in math?

It is the set of all point INSIDE the circle but not points on the circumference.


What does does diameter mean math?

The length of the longest straight path inside a circle.


What does a chord look like in math?

When you draw a circle in math, and you draw a triangle inside of it, 2 of the lines should be the radius of the circle, and the third (bottom) line that is not the radius is the chord.


What does the word chord mean in math?

A segment inside a circle with end points that lie in the circumference.


What is a circle in math terms?

A circle.


Half a circle plus circle plus half a circle plus a half a circle plus circle plus 90' angle plus a guess wat it is?

C-O-C-O-C-O-L-A


What is a quadrant in math terms?

The quadrant is the one of the four quaters of a circle. It is the math term for a 1/4 of a circle.


What is the inside of the circle called?

The inside of a circle is called its area.


What is the inside of a circle called?

The inside of a circle is called its area.


What does open circle mean in math?

An open circle is usually found on a number line in math. An open circle usually represents a number that is not included in the line.


What is the space inside a circle?

Circumference is the outside of the circle and the inside is the are of the circle. And inside of the circle, there is diameter and radius. Radius is from the center point to the edge of the circle and diameter is all the way across.


What does a circle inside a triangle mean?

Well, honey, a circle inside a triangle is usually a symbol used in geometry to represent the incenter of the triangle. The incenter is the point where the angle bisectors of the triangle intersect. So basically, it's just a fancy way of saying the center of the circle is equidistant from all three sides of the triangle. Hope that clears things up for ya!