Tolong ya. Terima kasih

K setengah lingkaran
= ½× 2 × π × r
=22/7 × 7
=22

K ¼ lingkaran
=¼×2 × π r
=¼×2 × 22/7 ×7
=11 cm

K = 14 cm + (14cm-7cm) + 11 cm+ 7cm+ 22cm + 22cm
=14 + 7 +11+7+22+22
=79

maaf klok salh