The radius of a circle is 13 cm. Find its circumference in terms of pie.

Question

asked Aug 4, 2022 104k views

2 Answers

Shanwu · Answer 1 · 2022-08-05T01:19:16+0000

Answer:

531

Explanation:

first the formula for finding the circumference of a circle is πr2

where π = 22/7

r = 13x13

hence, circumference = πr2

= 22/7 x 13 x 13

= 22/7 × 169

= 22 x 169/7

= 3718/7

= 531 cm