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Circles

Mathematics. Circles. Grade. INTRODUCTION. Objective : To identify some concepts of the circle such as centre, chord, diameter and radius. Target group : Secondary level, Grade- 6 Duration/Mode : 45 minutes/Student-centred. P. CONTENTS. Circles. Diameter. Chord.

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Circles

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  1. Mathematics Circles Grade

  2. INTRODUCTION Objective : To identify some concepts of the circle such as centre, chord, diameter and radius. Target group : Secondary level, Grade- 6 Duration/Mode : 45 minutes/Student-centred.

  3. P CONTENTS Circles Diameter Chord Concepts on Circle Quiz Q

  4. P Circles A circle is the set of all points in a plane that are at a given distance from a given point. The given point P is called the center of the circle and the given distance is called theradiusof the circle. Radius Center Home

  5. P Diameter A diameter is a line segment that connects two points on the circle and goes through the centre of the circle. diameter A B

  6. P Central Angle A central angle is an angle whose vertex is the center of the circle.. A Central Angle B

  7. P Arc An arc is part of a circle connecting two points of the circle. A Arc B

  8. P Sector A sector is a region contained by two radii and an arc. A Sector B

  9. C D Chord A chord of a circle is a segment whose end points lie on the circle. chord

  10. C D P A B Q Concepts on circle Chord Central Angle Diameter Sector Arc Center Radius

  11. Quiz Choose the correct answer. 1. The longest chord of a circle is a A. diameter B. radius C. segment

  12. Quiz Choose the correct answer. 2. The distance between the center and a point on the circle is called A. diameter B. chord C. radius

  13. Quiz Choose the correct answer. 3. The part of a circle connecting two points of the circle is the A. central angle B. sector C. arc

  14. Worksheet Click on each icon to get the activity worksheet. The following URL is the starting place, feel free to search the Internet for other related information. http://www.math.com/school/subject3/lessons/S3U1L6GL.html

  15. C I R C L E S C I R C L E S C I R C L E S C I R C L E S THANK YOU Quit

  16. Your answer is wrong! Try again!

  17. Congratulations ! Your answer is correct

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