Tolong yah pelissss di jawab yahhh

Luas trapesium = ½ × (40+30) × 28
= ½ × 70 × 28 = 1.960/2 = 980 cm²
Luas ½ lingkaran = ½ × 22/7 × 14
= 308/14 = 22 cm²
Luas daerah yg diarsir = 980 – 22 = 958 cm²