tolong kak mau di kumpulin
Jawab:
L trapesium = ½ x (alas a + alas b) x tinggi trapesium
= ½ x (26 + 30) x 15
= ½ x (56) x 15
= 28 x 15
= 420 cm²
L persegi panjang= p x l
= 30 x 18
= 540 cm²
L gabungan = 420 + 540 = 960 cm²
Keliling = 26 + 10 x 2 + 18 x 2 + 30
= 112 cm
[answer.2.content]
