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a. persegi panjang
p x l=24 x 12 =288cm kuadrat
b. trapesium
jumlah sisi sejajar x tinggi : 2
=(24+16) x 3 : 2
=40 x 3 :2
= 120/2=60cm kuadrat
c. jumlahkan a dan b
=288 + 60= 348 cm kuadrat
jadikan jawaban terbaik yaaaa