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# Solution - Give a definition for radius of a circle. Are there other terms that need to be defined first? What are they, and how might you define them? - CBSE Class 9 - Mathematics

ConceptEuclid’S Definitions, Axioms and Postulates

#### Question

Give a definition for radius of a circle. Are there other terms that need to be defined first? What are they, and how might you define them?

#### Solution

It is the distance between the centres of a circle to any point lying on the circle.

To define the radius of a circle, we must know about point and circle.

Is there an error in this question or solution?

#### APPEARS IN

NCERT Mathematics Textbook for Class 9 (with solutions)
Chapter 5: Introduction to Euclid's Geometry
Q: 2.4 | Page no. 85

#### Reference Material

Solution for question: Give a definition for radius of a circle. Are there other terms that need to be defined first? What are they, and how might you define them? concept: Euclid’S Definitions, Axioms and Postulates. For the course CBSE
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