Tamil Nadu Board of Secondary EducationTamil Nadu Primary School Class 4

The ______________ is the longest chord of a circle - Mathematics

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The ______________ is the longest chord of a circle

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Solution

The diameter is the longest chord of a circle

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Chapter 1: Geometry - Exercise 1.4 [Page 8]

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Tamil Nadu Board Samacheer Kalvi Class 4th Mathematics Term 1 Answers Guide
Chapter 1 Geometry
Exercise 1.4 | Q A. ii. | Page 8

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Is every diameter of a circle also a chord?


Is every chord of a circle also a diameter?


Draw any circle and mark

  1. it's centre
  2. a radius
  3. a diameter
  4. a sector
  5. a segment
  6. a point in its interior
  7. a point in its exterior
  8. an arc

Say true or false:

The centre of a circle is always in its interior.


If radius of a circle is 5 cm, then find the length of longest chord of a circle.


AB is a chord of a circle with centre O. AOC is diameter of circle, AT is a tangent at A.

Write answers to the following questions:

  1. Draw the figure using the given information.
  2. Find the measures of ∠CAT and ∠ABC with reasons.
  3. Whether ∠CAT and ∠ABC are congruent? Justify your answer.

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