Luas bangun disamping adalah........cm2. Tolong dijawab poin nya lumayan.

Luas 2 trapesium
= 2 x 1/2 x t x ( a + b )
= 2 x 1/2 x 4 cm ( 5 cm + 7 cm )
= 4 cm x 12 cm
= 48 cm²

Luas segitiga
= 1/2 x a x t
= 1/2 x 8 cm x 6 cm
= 4 cm x 6 cm
= 24 cm²

Luas gabungan
= 48 cm² + 24 cm²
= 72 cm²