tolong bantu ya kak....

Jawabannya A. 360cm²

Luas Persegi panjang = p x l = 25cm x 18cm = 450cm²
Luas Trapesium = 1/2 x (a + c) x t
a = 25cm; c = 35cm; t = 30cm - 18cm = 12cm

= 1/2 x (25cm + 35cm) x 12cm
= 1/2 x 60cm x 12cm
= 360cm²