Tolong bantu jawab ya​

Kpersegi = 4 ×42 = 168
Lpersegi = 2 × 42 = 84
K1/2 lingkaran = 1/2 ×2 × pi × r
=1/2 × 2 × 22/7 ×42
=22 × 6
= 132

L 1/2lingkaran = pi × r^2
=1/2 × 22/7× 42^2
= 1/2 × 22/7× 1764
=2772

KPL =168 + 132 = 300cm
LPL = 84 + 2772 = 2856 cm

maaf kalau salah:)