Hitunglah jari-jari pada lingkaran berikut:
K = 50 cm
K= 132 cm
Matematika – Lingkaran
K=628 cm
Jawaban:
K = 2πr
1. K = 50
50 = 2πr
50 = 2 x 3,14 x r
50 = 6,28r
r = 7,96 cm
2. K = 132
132 = 2πr
132 = 2 x 3,14 x r
132 = 6,28r
r = 21,01 cm
Hitunglah jari-jari pada lingkaran berikut:
K = 50 cm
K= 132 cm
Matematika – Lingkaran
K=628 cm
Jawaban:
1. K = 50
50 = 2πr
50 = 2 x 3,14 x r
50 = 6,28r
r = 7,96 cm
2. K = 132
132 = 2πr
132 = 2 x 3,14 x r
132 = 6,28r
r = 21,01 cm