Jawapan

2016-10-02T21:33:19+08:00
Lilitan bulatan: 2 pi j
luas bulatan: pi j²
Nak kira lilitan bulatan perlu sudut ke?
tak pelu.cuma kena cari jejari sahaja
ya....betul 2
ohk thanks
no mention
2016-10-02T21:35:32+08:00
Lilitan bulatan = 2 pi j
lias bulatan= pi j kuasa 2