yg no 27 tolong dibantu

L trapesium = 1/2 × jumlah sisi sejajar × tinggi
=1/2 × (20+14) × 7
= 238

L 1/2 lingkaran = 1/2 × phi × jari jari × jari jari
= 1/2 × 22/7 × 7 × 7
= 77

Luas lagubungan = L traps + L 1/2 lingkarang
= 238 + 77
= 315 cm (d)