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LP=30x16=48
=48+48= 96
L.segitiga
= 1/2 X a X t
= 1/2 X (8X2) X (36-30)
= 1/2 X 16 X 6
= 8 X 6
= 48 cm²
L.persegi panjang
= p X l
= 30 X (8X2)
= 30 X 16
= 480 cm²
L bangun = 48 + 480 = 528 cm²
Jawabannya d.
Maaf, kalau salah..