" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Verified answer
Jari jari = 1/2 diameter= 1/2 × 13
= 6,5 cm
Maka :
2r = d
2r = 13
r = 13/2
r = 6,5 cm