Jawaban:
D. 100√3
Penjelasan dengan langkah-langkah:
Segitiga Istimewa & Bangun datar
..
AC : DC : DA = 2 : √3 : 1
DC / AC = √3 / 2
DC / 20 = √3 / 2
DC = 20√3 / 2
DC = 10√3 (Panjang)
DA / AC = 1 / 2
DA / 20 = 1 / 2
DA = 20 / 2
DA = 10 cm (lebar)
Luas = Panjang x Lebar
Luas = 10√3 x 10
Luas = 100√3 (D)
[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alfat}}[/tex]
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Verified answer
Jawaban:
D. 100√3
Penjelasan dengan langkah-langkah:
Segitiga Istimewa & Bangun datar
..
AC : DC : DA = 2 : √3 : 1
..
DC / AC = √3 / 2
DC / 20 = √3 / 2
DC = 20√3 / 2
DC = 10√3 (Panjang)
..
DA / AC = 1 / 2
DA / 20 = 1 / 2
DA = 20 / 2
DA = 10 cm (lebar)
..
Luas = Panjang x Lebar
Luas = 10√3 x 10
Luas = 100√3 (D)
[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alfat}}[/tex]