Question

Dik : panjang OP = 28cm
busur PQ = 17,6 cm
Dit ; luas juring POQ
jawab.......

Answer 1

Luas lingkaran = *r^2
= 22/7 * 28 *28
= 2464 cm^2

keliling lingkaran =  *d
= 22/7 * 56
= 176

perbandingan
17,6 : 176
= 1 :10

Luas juring POQ = 2464 * 1/10
= 246,4 cm^2