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d2=4.2=8
9.8/2=36
maaf kalau salah, semoga bermanfaat
= 2 x luas Δ acd
= 2 x 1/2 x ao +od
= 2 x 1/2 x 6 x 4
= 2 x 1/2 x 24
= 2 x 12
= 24,jadi luas layang² tersebut adlah 24.
maaf kalo salah..
semoga membantu