Perhatikan gambar berikut! x + 21° 2x Nilai x adalah .... a. 13° b. 17° C. 23° d. 27°
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Penjelasan dengan langkah-langkah:
90° = x + 21 + 2x
90° = 3x + 21
90 - 21 = 3x
69 = 3x
23 = x
Verified answer
Jawaban:
x + 21⁰ + 2x = 90⁰
3x + 21⁰ = 90⁰
3x = 90⁰ - 21⁰
3x = 69⁰
x = 69/3
x = 23
jadii jawabnya adalah yg C. 23⁰
Penjelasan dengan langkah-langkah:
maaf klo salah