pliss pakai cara.Nanti aku kasih 2134 point

L.Gabungan
= ( L.¾Lingkaran ) + ( L.¾Lingkaran )
= ( ¾ × π × r² ) + ( ¾ × π × r² )
= ( ¾ × 3.14 × 10² ) + ( ¾ × 3.14 × 10² )
= ( ¾ × 3.14 × 100 ) + ( ¾ × 3.14 × 100 )
= ( ¾ × 314 ) + ( ¾ × 314 )
= 235.5 + 235.5
= 471 cm²

Semoga Membantu :) Maaf kalo salah
``»•^°Mystic°^•«``