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1. Kita bedah dulu rumusnya supaya kita bisa dapat r nya .
Mari kita terapkan.
K O = 2πr
176 = 2 × ²²/7 × r
176 = ⁴⁴/7 × r
r = 176 × 7 / 44
r = 28
Jadi jari jarinya adalah 28 cm
176 = 2 x 22/7 x r
176 = 44/7 x r
bagi 44/7 di kedua sisi, jadi:
r = 28 cm
semoga membantu:)