Tolong bsk dikmpl no 32!

1/4 lingkaran =
1/4 × phi × r × r = 1/4 × 3,14 × 20 × 20 =
314 × 4 × 1/4 =1/4 × 314 × 1 = 314 cm kuadrat

persegi panjang =
p × l = 20 × 8 = 160 cm kuadrat

314 + 160 = 474 cm kuadrat

*maaf kalau jawaban yg saya jwb salah