Maharashtra State BoardSSC (English Medium) 7th Standard
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Arc of the Circle

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Topics

definition

Arc of the Circle: A chord divides the circumference of a circle into two parts and each part is called an arc.

Minor Arc: The arc which is less than the semicircle is called minor arc.

Major Arc: The arc which is greater than the semicircle is called major arc.

notes

Arc of the Circle:

 

  • An arc is a part of the circumference of a circle.

  • A chord divides the circumference of a circle into two parts and each part is called an arc.

  • In the figure, given above, chord PQ divides the circumference into two unequal arc PRQ and arc PQ.

  • The arc which is less than the semicircle is called minor arc.

  • The arc which is greater than the semicircle is called major arc.

  • If two arcs of a circle have common endpoints and the arcs make one complete circle, the arcs are said to be corresponding arcs. Here, arc PRQ and arc PQ are mutually corresponding arcs.

  • In the figure below, chord AB is a diameter of the circle. The diameter gives rise to two equal arcs. They are called semicircular arcs.

           

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