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A fraction of a circle's circumference is known as the?
An arc
What is a measure of an angle as a fractional part of a circle?
An arc is a fraction of its circumference
Is a portion of a circumference?
An arc is a portion of the circumference
What Is A Arc On A circle?
First of all to correct your English grammar. Any noun, 'arc' in this case, that starts with a vowel , 'a' in this case, is preceded by the indefinite article 'an' , NOT 'a' . So the question should read 'What is an arc of a circle?' Answer: An arc is a section of the circumference , between two given points on the circumference. Arc as given above. Radius ; distance from circle centre to the circumference Diameter ; Straight line distance from the circumfewrence, through the centre to the circumference on the opposite side. Chord ; (Pronounced ; cord/kord). A straight line between any two points on the circumference, that does NOT touch the centre. Sector ; The fraction of a circles area enclosed between two radii and the corresponding arc.
What is a part of the circumference?
A part of the circumference is called an arc. If the circumference is split into two unequal arcs then the larger portion is referred to as the major arc and the lesser portion as the minor arc.
