1.K=2πr
=2×3,14×50
=314cm
2.K=1/2.2πr
=πr
=22/7×28
=88cm
Jawaban:
1. 314 cm
2. 176 cm
Penjelasan dengan langkah-langkah:
1. Diketahui : r = 50 cm
Ditanya : Keliling lingkaran
Jawab :
Keliling lingkaran = 2πr
= 2 x 3,14 x 50 = 314 cm
2. Diket : r = 28cm
Dit : keliling lingkaran
Keliling lingkaran = 2πr = 2 x 22/7 x 28 = 176cm
Semoga membantu
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1.K=2πr
=2×3,14×50
=314cm
2.K=1/2.2πr
=πr
=22/7×28
=88cm
Jawaban:
1. 314 cm
2. 176 cm
Penjelasan dengan langkah-langkah:
1. Diketahui : r = 50 cm
Ditanya : Keliling lingkaran
Jawab :
Keliling lingkaran = 2πr
= 2 x 3,14 x 50 = 314 cm
2. Diket : r = 28cm
Dit : keliling lingkaran
Jawab :
Keliling lingkaran = 2πr = 2 x 22/7 x 28 = 176cm
Semoga membantu