Question

Radius of a circle is 7m. Find the length of the major arc if the central angle made by minor arc is 90%
4) 44m
1) 22m
3) 33m
2) 11m
STUD​

Answer 1

Answer:

To calculate arc length without radius, you need the central angle and the sector area: Multiply the area by 2 and divide the result by the central angle in radians. Find the square root of this division. Multiply this root by the central angle again to get the arc length.