kak tolong bantuannya itu no 16 ama 17 ^-^

16)

Luas juring = 72/360 x L.lingkaran
= 72/360 x (pi x r x r)
= 72/360 x (22/7 x 7 x 7)
= 1/5 x 22 x 7
= 30,8 cm2

D

17)

Sudut keliling = 1/2 x pusat
= 1/2 x 44
= 22 drjt

A