Tolong bantu yah guys :) no 23 aja pake cara :) #Need quick answer :) JANGAN ASAL JAWAB !

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Tolong bantu yah guys :) no 23 aja pake cara :)
#Need quick answer :)
JANGAN ASAL JAWAB !

Tolong bantu yah guys 🙂 no 23 aja pake cara 🙂
#Need quick answer 🙂
JANGAN ASAL JAWAB !

Jawaban Terkonfirmasi

..
luasan yg diarsir = 2 x bentuk persegi
s= 1/2 (18)= 9
luas = 2 x 9 x 9 =162 cm²