Keliling lingkaran tersebut adalah.....
A. 44 CM
B. 72 CM
C. 144 CM
D. 172 CM
A. 44 CM
B. 72 CM
C. 144 CM
D. 172 CM
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Penjelasan dengan langkah-langkah:
K = 22/7 × 28 × 1/2 + 28
K = 22 × 4 × 1/2 × 28
K = 88/2 + 28
K = 44 + 28
K = 72 cm
Keliling lingkaran + busur
K = ½ × π × d + 28
K = ½ × 22/7 × 28 + 28
K = 22 × 2 + 28
K = 44 + 28
K = 72 cm (B.)