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=
=
[/tex] = pl[/tex]
=
=
LΔkecil = Lpp EFGC - Lp
= 48 - 36
= 12
LΔ bawah = Lpp ABGH - L trap
= 84 - 60
= 24
LΔtot = 24 + 12
= 36 D
5.
Pisahkan menjadi 2 buah segitiga.
=
A.
Semoga tidak salah. ^_^