Question

Find the length of an arc of a circle
which subtends an angle of 108° at the
centre, if the radius of the circle is 15
cm​

Answer 1

Answer:

28.28 cm

Step-by-step explanation:

length of an arc of circle

= r × thita ×π/180 = 15 × 108 × π/180

= 108π/12 = 9π radian

= 9 × 22/7 = 28.28 cm (approx)