If the circumference of a circle is 100 units, Then what will the length of…
2024
If the circumference of a circle is 100 units, Then what will the length of the arc described by an angle of 20 degree ?
- A.
52/9 units
- B.
58/9 units
- C.
73/9 units
- D.
50/9 units
Attempted by 9 students.
Show answer & explanation
Correct answer: D
Length of arc described by an angle of 360 degree, circumference = 2*pi*r = 100 units.
Length of arc described by an angle of 20 degree = 100*20/360 = 50/9 units.