BEJOTEMEN
K ling = 2 x phi x r = 308 ---> 2x22/7xr = 308 ---> r = 49 ----> L ling =phi r kwadrat -----> 22/7 x49 kwadrat ---> 52822/7 = 7546 cm persegi
BEJOTEMEN
K ling = 2 x phi x r = 308 cm 308 = 2x 22/7 x r 308 x 7 =44 x r r = 2156/44 = 49 cm
L ling = phi x r² = 22/7 x 49² = 22 x 49 x7 = 7546 cm²
308 = 2x 22/7 x r
308 x 7 =44 x r
r = 2156/44
= 49 cm
L ling = phi x r²
= 22/7 x 49²
= 22 x 49 x7
= 7546 cm²