Tolong bantu jawab ya

L balok=2(pl+pt+lt)
=2(250+175+70)
=2(495)
=990 cm²
L tabung=2πr(r+t)
=2×3,14×5(5+10)
=2×3,14x5x15
=471 cm²
L balok+L tabung=990+471
=1461 cm²

maaf kalo salah