Jawab:
x = 8; A = 54
Penjelasan dengan langkah-langkah:
(7x-2) + 36 = 90
7x-2 = 54
7x = 56
x = 8
sudut ABC = 90°
sudut ABD + sudut DBC = 90°
(7x-2) + 36° = 90°
7x-2 = 54°
7x = 56°
x = 8°
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Jawab:
x = 8; A = 54
Penjelasan dengan langkah-langkah:
(7x-2) + 36 = 90
7x-2 = 54
7x = 56
x = 8
sudut ABC = 90°
sudut ABD + sudut DBC = 90°
(7x-2) + 36° = 90°
7x-2 = 54°
7x = 56°
x = 8°