Question

find the length of an arc of a circle which subtends an angle of 180 at the centre , if the radius of the circle is 15cm​

Answer 1

Answer:

length of the arc

= tita × 2πr

360

= 180×2×22×15

360 7

= 22 × 15

7

=3.14 × 15

= 47.1cm

Answer 2

Answer:

47.1

Step-by-step explanation:

get answer in the image linked.