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Verified answer
Bangun RuangL segitiga besar = 1/2 x a x t
= 1/2 x 8 x 16
= 4 x 16
= 64 cm^2
L segitiga sedang = 1/2 x a x t
= 1/2 x 8 x 10
= 4 x 10
= 40 cm^2
L segitiga kecil = 1/2 x a x t
= 1/2 x 8 x 5
= 4 x 5
= 20 cm^2
L arsiran = L segitiga besar + L segitiga sedang - L 2 segitiga kecil
= 64 + 40 - 2 x 20
= 104 - 40
= 64 cm^2
Jawaban: C
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