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Verified answer
Kelas 4 MatematikaBab Bangun Datar Sederhana
Keliling lingkaran = 154
2 x π x r = 154
2 x 22/7 x r = 154
r = 154 x 7/44
r = 24,5 cm
Verified answer
Keliling lingkaran = phi x d154 = 22/7 x d
154 : 22/7 = d
154 x 7 / 22 = d
1078 / 22 = d
49 = d
r = 1/2 d
49 / 2 = r
24,5 = jari jari lingkaran