Keliling lingkaran di atas adalah…
A) 88
B)176
C)132
D)44
Tolong kasih rumus juga yaa
A) 88
B)176
C)132
D)44
Tolong kasih rumus juga yaa
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r = 21 cm
K = 2πr
= 2 × 22/7 × 21
= 132 cm = c