Penjelasan dengan langkah-langkah:
<ADC
2x+3x = 90°
5x = 90°
x = 90°:5
x = 18°
<BDC
62°+7y = 90°
7y = 90°-62°
7y = 28°
y = 28°:7
y = 4°
x-y
18°-4° = 14°
Jawab:
b. 14°
90° = 5
18° =
90° = 62 + 7y
90° - 62° = 7y
28° = 7y
4° = y
masukkan nilainya
- y
18° - 4° = 14°
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Penjelasan dengan langkah-langkah:
<ADC
2x+3x = 90°
5x = 90°
x = 90°:5
x = 18°
<BDC
62°+7y = 90°
7y = 90°-62°
7y = 28°
y = 28°:7
y = 4°
x-y
18°-4° = 14°
Jawab:
b. 14°
Penjelasan dengan langkah-langkah:
90° = 5
18° =
90° = 62 + 7y
90° - 62° = 7y
28° = 7y
4° = y
masukkan nilainya
- y
18° - 4° = 14°