Tolong jawab nomor 53 yaa.. terimakasih

Kll 1/2 lingkaran = 1/2 × π × d
= 1/2 × 22/7 × 28
= 44 cm
Kll lingkaran = π × d
= 22/7 × 14
= 44 cm
Kll daerah yg diarsir = 44 + 44 cm
= 88 cm