jawab dong pliss pake cara yaa

Mapel : Matematika

Kelas : 8

Bab : Lingkaran
_________

18] Keliling bangun

= Keliling lingkaran + (2 x 20)
= ( π x d) + 40
= (22/7 x 14) + 40
= 44 + 40
= 84 cm