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It is "a pair of compasses" - usually called a compass.

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Q: What is a instrument used to construct circles and arcs circles in math?
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Related questions

What is a instrument used to construct straight lines in math?

A straight edge or a ruler are used to construct straight lines.


What instrument in math class is usually used to draw arces and full circles?

Compass


What does a maths compass do?

the compass of math is used in making arcs and circles. with the use of a compass, a person can draw an axact circle where the points on the circle are equidistant from the center.


What is the a compass in math?

In math a compass is an object used to draw accurate circles and arcs (parts of circles, or curves). In math, a compass is something that makes a circle and it also measures circumference. How to make a circle: A compass either has led in it or you stick a pencil in it, but it depends on what kind of compass it is. If you want to make a big circle, you expand the 2 sides. when you get it to the size you want, you stick it on paper and twirl it around. It may not be a perfect circle but it most likely will be close.


What is a word for two or more circles with the same center in math?

The circles are "concentric".


What does circle have to do with math?

Circle is a shape. We have gotten to know a lot from circles. Because of circles, we get PI, radius, diameter, circumference, and other things. Circles fall into geometry, which is math. We can make many mathematical equations from circles.


Why circles are important?

Well, in math you solve the perimeter of circles and such, and learn understanding of them to help you with circles in real life.


What is the answer to arcs plus bras equals crass in alpha math?

9410 + 5490 = 14900


What does construct mean in math?

it means make something for example: construct a triangle then you would make a triangle.


What is the math tools you use to draw circles?

A compass.


What is a beaded instrument for math?

The Abacus.


Where can one find reliable information about arcs online?

Reliable information about arcs can be found online from many sources. Information about this geometrical symbol can be found on Wikipedia and many math websites, and videos about mathematical operations that have to do with arcs can be found from Khan Academy on YouTube.