" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
keliling = phi x d
lingkaran r = 4cm
= phi x d
= 3,14 × 4
= 12,56
lingkaran r = 8 cm
= phi x d
= 3,14 × 8
= 25,12
perbandingan
12,56 : 25,12
b. perbandingaan luas
luas = phi x r x r
lingkaran r = 4 cm
= 3,14 × 4 × 4
= 50,24
lingkaran r = 8 cm
= 3,14 × 8 × 8
= 200,96
peebandingan
50,24 : 200,96