" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
A ) Keliling= 2 × π × r
= 2 × 3,14 × 100 cm
= 628 cm
B ) Jarak
= 628 cm × 8.000
= 5.024.000 cm
= 50,24 km