Q: How do you find the Major arc in a circle?

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It is simply greater than 180 degrees but less than 360 degrees

If you have the arc length:where:L is the arc length.R is the radius of the circle of which the sector is part.

If it is a sector of a circle then the arc is the curved part of the circle which forms a boundary of the sector.

A whole circle is 360 deg so the major arc is 360-120 = 240 degrees.

No. Given two points on a circle, the minor arc is the shortest arc linking them. The major arc is the longest.

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Major arc is the longer of two arcs.

Yes

the fraction of the circle covered by the arc

It is simply greater than 180 degrees but less than 360 degrees

If you have the arc length:where:L is the arc length.R is the radius of the circle of which the sector is part.

Use the information you have to find it. -- divide the length of the arc by the total circumference of the circle, or -- divide the central angle of the arc by 360 degrees (a full circle)

If it is a sector of a circle then the arc is the curved part of the circle which forms a boundary of the sector.

A circle subtends 360° . Therefore. if the angle subtended at the centre of a circle by an arc is greater than 180° then this is the major arc. By comparison, the minor arc will subtend an angle less than 180°

It depends on what measure related to the arc you want to find!

A whole circle is 360 deg so the major arc is 360-120 = 240 degrees.

To find the arc length, you also need to know the radius (or diameter) of the arc. The arc length is then found by finding the circumference of the full circle (2xPIxradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

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