Which undefined term is needed to define a circle?

Students were requested to answer a question at schools and to declare what is most important for them to succeed. The one which response stood out from the rest was practice. Persons who absolutely successful do not become successful by being born. They work hard and perseverance their lives to succeeding. This is how you can reach your goals. Below some question and answer examples that you could possibly use to enhance your knowledge and gain insight that will assist you to sustain your school studies.


Which undefined term is needed to define a circle?

A. Point
B. Radius
C. Line
D. Ray


The correct answer is B. Radius

In geometry, radius is needed to define a circle. It is described as the length of the line segment from the center to its perimeter. So the correct answer would be radius. It couldn’t be the other choices which are point, line, and ray. I hope this helped you.  

They will possibly hopefully help the student handle the question by obtaining the questions and answer examples. Then could carry out some sharing in a group discussion and also study with the classmate in reference to the topic, so another student also ought to have some enlightenment and still keeps up the school learning.

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