Lesson Example Discussion Quiz: Class Homework |
Lesson |
Title: Circumference of a Circle |
Grade: 4-a Lesson: S2-L4 |
Explanation: Hello students, let us learn a new topic in geometry today with definitions, concepts, examples, and worksheets included. |
Lesson:
Definition: Circumference of a Circle |
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The circumference of a circle is the total length of its boundary or perimeter. Length is measured in units such as feet, inches, centimeters, meters, miles, or kilometers. The formula for the circumference of a circle when the diameter is given πd. The formula for the circumference of a circle when the radius is given 2πr. |
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Explanation: If a boy runs from point 'A' and returns after completing one lap of the park, the distance he covers is called the circumference of the park. |
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